◆ capable polyphonic music AC wireless digital doorbell

◆ show off dazzling blue flashing LED indication， built-in dual stereo speakers sound so loud， crisp， sweet

◆ computer digital IC， open 280 meters long distance remote control， interference is strong， 360-degree reception!

◆ 16 12 polyphonic music， adjustable volume， easy to enjoy the individual life.

◆ Built-in thermal fuse， no case of spontaneous combustion temperature.

◆ the most advanced SMD materials， higher product reliability rate.

◆ advanced circuit design， top-retardant PC bulletproof plastic Secure Shell

◆ SMT + RF technology， DIY design mode of operation， easy to install!

Product Specifications
● Type: 1 trailer 1-- transmitter (remote control) + receiver (sounder)

● Products Power supply:

2 transmitter (button): 12V23A Battery

2 receiver (host): AC220V ~ 240V