Tag: CB-21

  • AVANTEK CW-21 Wireless Doorbell Kit User Manual

    AVANTEK CW-21 Wireless Doorbell Kit User Manual

    Wireless Doorbell KitUser ManualCW-21 Congratulations on your purchase of our product. To ensure proper use and trouble-free operation, please carefully read this user manual first. Introduction This wireless doorbell kit includes two CR2032 Lithium battery-operated transmitters and one plug-in receiver. It features 52 classic melodies with adjustable volume control to meet your needs. This wireless…