Before installing， please scan the QR codes below to watch our easy step-by-step installation video.
Dato HomeYouyube Channel https://www.youtube.com/channel/UCtjmHuW_RD4tTD2GtusWL3g |
Dato HomeTechnical Support https://www.datoaihome.com/pages/technical-support |
If you have questions regarding the installation process please contact us by mail [email protected] or by phone (929)336-6777.
Features
- Patented Wire-free StructureThe wire-free design prevents internal socket disconnects and offers a more robust lock structure.
- Anti-Peeping Password TechnologyYour 4-6 digit passwords are shaded with a 12-digit sequence to ruse any unauthorized peeping.
- Semiconductor Fingerprint SensingThe fingerprint scanner, with its own semiconductor, is always ready for high-precision and high-speed recognition. Recognition speed is designed to stay below 0.3s, and rejection rate less than 0.1%.
- AI Autonomous LearningFingerprint recognition rates improve as you use your smart lock through machine learning algorithms.
- 7 Accessibility featuresLong standby battery life / Open Passage mode / Secure lock mode / Smart Touch screen / USB emergency power / high-end smart chip / Automatic Self-Lock.
- 4 Ways of UnlockingFingerprint Unlock / Smartphone Unlock / RFID Tag Unlock / Password Unlock.
Product description
Preparing for installation
- Checking the delivery set
The package comes with 2 latchesIf you need help with the cardboard drilling template, please visit our support page.Visit: https://www.datoaihome.com/pages/technical-support - Check the door(a) Door thickness range: 1 3/8” (35mm)∼2 5/8″(65mm)(b) Lock mounting hole diameter range: 1 7/8″(45mm)∼2 1/4″(55mm)(Large holes in this range will make the installation process easier)(c) Distance from the center of the lock mounting hole to the edge of the door (latch hole side):2 3/8″(60mm)If the parameter of your door does not meet the above requirements, it does not necessarily mean it cannot be installed. Please call us for further advice.If your door does not have a ready-made lock mounting hole, you need to complete the additional hole-drilling work yourself. The product box contains a cardboard template to help you position the holes correctly
- Installation toolsA M4 Phillips screwdriver if mounting holes are ready.
The package comes with 2 latches
If you need help with the cardboard drilling template, please visit our support page.Visit: 
(b) Lock mounting hole diameter range: 1 7/8″(45mm)∼2 1/4″(55mm)(Large holes in this range will make the installation process easier)(c) Distance from the center of the lock mounting hole to the edge of the door (latch hole side):2 3/8″(60mm)If the parameter of your door does not meet the above requirements, it does not necessarily mean it cannot be installed. Please call us for further advice.If your door does not have a ready-made lock mounting hole, you need to complete the additional hole-drilling work yourself. The product box contains a cardboard template to help you position the holes correctlyNeed Help? Contact Customer SupportVisit: https://www.datoaihome.com/pages/technical-supportService line: (929)336-6777Email: s[email protected]
Door lock installation
Step 1: Latch LengthChoose the latch length according to door width.
Step 2: Installing the latchInstall the latch into the door with screws.
Step 3: Insulating SleevesInsulating sleeves must be installed for the lock to work.
Need Help? Contact Customer SupportVisit: https://www.datoaihome.com/pages/technical-supportService line : (929)336-6777Email: [email protected]
Step 4: Sleeve LengthTo make sure insulating sleeves are the correct length, check the width of the door. The insulating sleeves should measure 3/8″(8mm)shorter than door thickness. Use a sharp object to cut off excess material. Ask a grown-up for help.
Step 5: The Front HandleTurn the Triangle 
on the Front Handle to position “S ”
Step 6: Spindle & ScrewsInstall the recommended square bar and connecting screws in the handle according to your door thickness.Put insulating sleeves upon the connecting screws as shown.
|
Door Thickness |
Square Bar |
Connecting screws |
| 1 3/8″ (35mm) ∼2″(50mm) | 2 3/4″ (70mm) | 2 3/4″ (70mm) |
| 2″(50mm)∼2 5/8″(60mm) | 3 3/8″(85mm) | 3 3/8″(85mm) |
Step 7: Lock testStep 8: It’s all coming together To test if the lock functions correctly, assemble the lock prior to installing it into the door.Insert batteries and close the battery compartment.Connect rear handle with front handle and make sure secure lock button is facing downwards. If the lock turns on, you’re good to go!If it doesn’t, we advise you to call our support line.
Step 8: It’s all coming togetherInsert front the handle into the latch.
Note: Fingerprint sensor facing upStep 9: The rear handlePress the rear handles center button to remove the battery cover.Connect the rear handle with the front handle already installed into the latch through the connecting screws.Make sure the secure-lock button is facing down.
Step 10: Close the gapScrew the hex nuts inside the rear handle with the hex key to fasten the connecting screws.
Step 11: PowerInsert 4 AA 1.5V batteries in the rear handle.Ensure correct polarity (The negative end of the battery should contact the spring end).
Step 12: FinishClose battery compartment cover by pressing the center button. Make sure the cylinders A and B fit horizontally into their corresponding socket holes.
Important! Check after InstallationBefore installing the app, make sure that the door lock has been installed correctly, so please perform the following test. If at any step you encounter problems, please refer to the Trouble Shooting section of this manual.Note: Please keep the door open during the test, and make sure you did NOT unlock the lock.
- Turn the front (outside) handle. The latch should NOT move (keeping locked status).
- Turn the rear (inside) handle. The latch should retract, unlocking the door.
- Wake up front panel (swipe finger across the screen), then enter the default administrator password 123456 + # to unlock. You should change the admin password later.NOTE: If the Dato Home app has been installed and the lock has been added, the admin password may have changed. Open the app and see the door lock setting interface to view the admin password.NOTE: You can only set up one administrator for each lock.
- Close the door and check if the latch properly inserts into the strike plate on the door frame.
Congratulations! You installed the L-B400 Smart Lock. What now..?
Need Help? Contact Customer SupportVisit: https://www.datoaihome.com/pages/technical-supportService line : (929)336-6777Email: [email protected]
App operation guide
- App Download Instructions(1) Scan the QR code to the right, you can use Android and IOS to download the APP.(2) Android version software can be downloaded in the Google Play store. Search “DatoHome”(3) iOS version of the software can be downloaded in the iPhone App Store. Search “DatoHome”http://manage.datoiot.com/system/downloadApp
- Adding new Door Lock by the app.(Note: You should stand close to the door lock)① Click the add button“+”② Select the type of door lock③ Select fingerprint lock LB400④ Turn on Bluetooth⑤ Wake up the touch screen⑥ Select the searched lockNeed Help? Contact Customer SupportVisit: https://www.datoaihome.com/pages/technical-supportService line : (929)336-6777Email: [email protected]When the door lock has been added successfully, please click the [Settings] button in the upper right corner to check your new administrator password.⑦ Door lock added successfullyIf you can not add a new door lock in-app, please reset to factory default. Please refer to Door Lock Settings (from physical lock panel), Article 10: deleting the Administrator (Restore Factory Default).⑧ Check administrator passwordNeed Help? Contact Customer SupportVisit: https://www.datoaihome.com/pages/technical-supportService line : (929)336-6777Email: [email protected]
- Fingerprint managementNote: please click the “+” symbol on the upper right corner to add a fingerprintInsert fingerprint account name and durationScan finger on lock (Requires 4 scans)Within fingerprint, you can manage. After the administrator successfully adds the lock, the administrator will have the highest management rights of the door lock. The administrator can authorize others to add fingerprints and set a validity period. They can also choose time-limited and permanent fingerprint permissions. Administrators can manage all fingerprints that they added, including deleting fingerprints, modifying fingerprints, and viewing fingerprint unlock records.
- User managementPlease click “+” in the right upper corner to add a new userChoose access schedule for these usersAdmin can see and manage all userAdministrators can manage all users, delete Limited time users or Permanent users, and view unlock records.
- Password managementNote: please click”+” on the upper right corner to add a new passwordChoose type. Set name and passwordThe administrator can manage passwordPassword management refers to the digital password combination of the door lock. You can send passwords to others to grant access.Once: One-time password, you can copy the password or send the password by email.Permanent: unlimited time for users to access.Limited time: limited-time access.Customized: you can customize your password, that is permanent password.The administrator can manage all the passwords that were sent, deleting passwords, sending new passwords,modifying the validity period, disable passwords, and view unlock history.
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Add Bluetooth AdministratorMake sure the door lock administrator is not added. When the backlight is off, the user touches thenumeric keypad to wake up the door lock. After hearing the voice prompt “Please add Bluetooth administrator”, open the mobile phone Bluetooth and begin the door lockadding process on the app to obtain Bluetooth administrator privileges. After the addition is successful, you will hear the voice prompt “Administrator has been successfullyadded.”
- APP delete Bluetooth administratorThe user is running the app near the door lock. Click the Setting button in the upper right corner of the added door lock on the homepage. After entering the door lock setting page, click the “restore factory settings” or “delete device” to remove Bluetooth administrator privileges.
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IC Cards managementAdd IC Card: please enter the IC card name, click “next”, then please place the IC card against the card reader sensor on the smart lock.Clear IC card: Click the “delete IC card” button.
① Click the add button“+”② Select the type of door lock③ Select fingerprint lock LB400
⑦ Door lock added successfullyIf you can not add a new door lock in-app, please reset to factory default. Please refer to Door Lock Settings (from physical lock panel), Article 10: deleting the Administrator (Restore Factory Default).
⑧ Check administrator passwordNeed Help? Contact Customer SupportVisit: 
Note: please click the “+” symbol on the upper right corner to add a fingerprintInsert fingerprint account name and durationScan finger on lock (Requires 4 scans)Within fingerprint, you can manage. After the administrator successfully adds the lock, the administrator will have the highest management rights of the door lock. The administrator can authorize others to add fingerprints and set a validity period. They can also choose time-limited and permanent fingerprint permissions. Administrators can manage all fingerprints that they added, including deleting fingerprints, modifying fingerprints, and viewing fingerprint unlock records.
Please click “+” in the right upper corner to add a new userChoose access schedule for these usersAdmin can see and manage all userAdministrators can manage all users, delete Limited time users or Permanent users, and view unlock records.
Note: please click”+” on the upper right corner to add a new passwordChoose type. Set name and passwordThe administrator can manage passwordPassword management refers to the digital password combination of the door lock. You can send passwords to others to grant access.Once: One-time password, you can copy the password or send the password by email.Permanent: unlimited time for users to access.Limited time: limited-time access.Customized: you can customize your password, that is permanent password.The administrator can manage all the passwords that were sent, deleting passwords, sending new passwords,modifying the validity period, disable passwords, and view unlock history.Need Help? Contact Customer SupportVisit: https://www.datoaihome.com/pages/technical-supportService line : (929)336-6777Email: [email protected]
Door lock settings from physical lock panel
report this adNOTE: We strongly recommend that you complete all these operations on the app, which is the easiest way to get started.
- Add unlock password / IC card/fingerprint (These operations must be performed after the initial administrator password has been modified, please do this by using app or refer section (6) of this chapter)After the user inputs #85#, the lock prompts “Please input administrator’s passcode” by voice, the user inputs the administrator passcode and “#”. After the verification is successful, the lock prompts ” Please input fingerprint or passcode” by voice, otherwise, it prompts “Operation failed” by voice.A. Add an unlock passwordAfter the administrator’s verification is successful, the user inputs the user passcode and presses the # key. The lock prompts “please input again” by voice, and the user inputs the same passcode again. When the passcode is added successfully the lock prompts “operation successful.”B. Add an IC card / RFID TAGAfter the administrator’s verification is successful, the user swipes the card. Recognizing it, the lock prompts “Operation successful” by voice.C. Add fingerprintAfter the administrator’s verification is successful, the user presses the finger on the fingerprint reader, and then the lock prompts “Please press again” by voice. After the fingerprint identification is successful, the voice prompt is “Operation successful”.
- Delete all fingerprintsThe user inputs #70# admin passcode# to delete all fingerprints.In this process, the user inputs “#70#”, and the lock prompts “Please input administrator’s passcode” by voice, after that, the user inputs the administrator. passcode and #”, when the verification is successful, the lock prompts “Operation successful” by voice.
- Delete all IC cardsThe user inputs #69#Administrator Passcode# to delete all IC cards.In this process, the user inputs “#69#”, and the lock prompts “Please input administrator’s passcode” by voice, after that, the user inputs the administrator passcode and “#”, and when the verification is successful, the lock prompts “Operation successful” by voice.
- Delete All PasscodesThe user inputs “# 71 # Administrator Passcode #” to delete all the added passcodes, including the passcode generated by the App (the administrator passcode will not be deleted).In this process, the user inputs “#71#”, and the lock prompts “Please input administrator’s passcode” by voice, after that, the user inputs the administrator passcode and “#” when the verification is successful, the lock prompts “Operation successful” by voice.
- Modify User PasscodeUser inputs “# 10 # old passcode # new passcode # New passcode #” to modify the passcode.In this process, after inputting #10#, the lock prompts Please input the original passcode” by voice, and then the user inputs the passcode and presses “#”. If the old passcode is wrong, the lock prompts “wrong passcode” by voice, otherwise it prompts “Please input a new passcode” by voice. After the user inputs the new passcode, thelock prompts “Please input again” by voice. And the user inputs the same new passcode again, if the modification is successful, the lock prompts “Operation successful” by voice, otherwise, it prompts “Operation failed” by voice.
- Modify Administrator Passcode (Default passcode:123456)User inputs “# 12 # old passcode # new passcode # New passcode #” to modify the management passcode.In this process, after inputting “#12#”, the lock prompts Please input the original passcode” by voice, and then the user inputs the passcode and presses “#”. If the original passcode is wrong, the lock prompts “Wrong passcode” by voice, otherwise it prompts ” Please input a new passcode ” by voice. After the user inputs the new passcode, the lock prompts “Please input again” by voice. And the user inputs the same new passcode again, if the modification is successful, the lock prompts “Operation successful” by voice, otherwise, it prompts “Operation failed” by voice.
- Open Passage ModeWhen the passage mode is activated, the user can directly turn the handle and unlock the door without fingerprint, passcode, IC card, or Bluetooth.After successfully unlocking with fingerprint, passcode, IC card, or Bluetooth, immediately input “123#” within 5 seconds, before the lock is automatically turned off. The lock should prompt “operation successful” by voice.Alternatively, activate Open Passage mode in the Dato Home App.
- Turn Off Open Passage ModeThe passage mode is turned off by inputting fingerprint, passcode, IC card, or Bluetooth on the app.
- Deleting the AdministratorDeletion by Handle and Secure-Lock ButtonWhile pushing the rear handle towards the door, turn the front handle left and push the secure lock button for 3 seconds.Lock prompts “Please input initialization passcode”. Input 000#.Lock prompts “Deleting administrator successful”. All fingerprints, passcodes, IC cards are now deleted from the lock.
- Secure Lock ModeA. Activate Secure Lock ModeLong press the secure lock button for 3 seconds, the lock prompts “Secure lock is on”. In this mode, the lock can only be open from the inside or from the outside using the Admin passcode and App. This function shows how the user can prevent the lock from being open from the outside using the fingerprint, passcodes, IC Cards, or the app.B. Deactivate Secure Lock ModeShort press the secure lock button and the lock prompts Secure lock ” off “, the secure lock mode is closed.
Need Help? Contact Customer SupportVisit: https://www.datoaihome.com/pages/technical-supportService line : (929)336-6777Email: [email protected]
Trouble Shooting
Q: After the door lock is installed, there is no response or abnormal behavior.A: Please check as follows:① Check the battery installation direction and make sure that the battery has sufficient power.② Make sure the battery cover is in place.③ Are the two handles in the right direction? Front handle: The fingerprint sensor should be up; Rear handle: The lock button should face down,④ The connecting screws are not tensed/balanced enough. (Please refer to the installation instructions for how to choose the right accessories such as connecting screw and square bar (spindle) )⑤ On the front handle, the triangle on its square bar (spindle) slot is not aligned with the letter ‘S’Q: What prompt will I receive when the battery is low?A: You will get an alarm as “battery is low, please replace” when the remaining unlock times counts below 50, this is also reminded on your App. Remember to change the battery In time.Q: What should I do if the battery is totally dead?A: There is a micro USB port at the bottom of the front handle. You can use this interface to temporarily power the door lock through a power bank etc. You will get an alarm as “battery is low, please replace” when the remaining unlock times counts below 50, this is also notified on your App. Remember to change the battery in time.Q: I can’t fit the battery cover in place.A: Please check as follows:① Check the battery installation direction.② The two metal columnar protrusions on the inner surface of the battery cover need to be aligned with hexagonal screw holes.③ The two connecting screws must be the same length and match the door thickness (Please refer to the installation instructions for how to choose the right accessories such as connecting screw and square bar(spindle)).④ Hexagon socket screws need to be tightened and maintain a consistent tightness.Q: I lost my phone, how to reset the door lock as soon as possible for safety?A: ln this case, we recommend that you reset the lock to the factory value and set a new administrator password.Q: The lock body heats up and the battery loses power quickly.A: The problem is mainly caused by improper installation. For security reasons, please contact us for special support or ask a professional to check.Q: The fingerprint recognition success rate is different from what the manual says.A: When entering the fingerprint, please try to move the position of the fingertip slightly every time you enter the fingerprint so that you can enter a larger fingerprint area. Please try to cover areas that are frequently used.
Please don’t return it to the store let us help you firstVisit: https://www.datoaihome.com/pages/technical-supportService line : (929)336-6777Email: [email protected]
Specifications
|
Technical parameters |
||
| NO | PARAMETER | STAT |
| 1 | Materials | High-Density Aluminium Alloy |
| 2 | Surface Treatment | Anodization |
| 3 | Fingerprint Reader | Living fingerprint recognition, 0.5-second speed recognition |
| 4 | Fingerprint Capacity | 120 PCS |
| 5 | Password Capacity | 150 PCS |
| 6 | IC Card Capacity | 200 PCS |
| 7 | APP | DatoHome |
| 8 | Unlock Mode | Fingerprint, Password, IC Card, Bluetooth |
| 9 | Fingerprint Resolution | 500 DPI |
| 10 | False Rejection Rate | (FRR)<0.1% |
| 11 | False Accept Rate | (FRA)<0.001% |
| 12 | Power Supply | 4 PCS AA 1.5V Battery |
| 13 | Backup Power | USB Interface |
| 14 | Battery Life | 1 year |
| 15 | Work Temperature | -40-70°C |
| 16 | Working environment humidity | 20%RG-90%RH |
| 17 | Door Thickness | 35-65mm |
| 18 | Lock Body | Single-Latch, and suitable for the lock body which’s backset is bigger than 45mm |
| 19 | Color | Black, Silver, Gold, Rose gold |
www.datoaihome.comManufacturer:DATO Al Technology Corporation
References
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