Wireless Doorbell Door Open Chime Kit BITIWEND Waterproof Doorbell Plus Door Entry Alert with 52 Tunes LED Indicator 4 Level Sound Control for Home/Office/Store 1 Receiver+1 Push Butoon+1 Door Sensor

Bitiwend New Version Conbination 1 Wireless Doorbell Push Button + 1 Door Open Chime Kit +1 Plug in Receiver with 52 Tunes LED Indicator 4 Level Sound Control

Please make pairing befor installation. Any questions about pairing or installation,please contact our customer service directly.

Features of Receiver 
Voltage of plug- in receiver: 110V 
Expandable to multiple smart receiver or transmitter: < up to 20
Working power of remote control:

Product Features

• Waterproof Button. With IP55 waterproof rate and 1000 feet operating range, ensure you never miss any vistors.
• Door Sensor Chime. The range of door sensor up to 320 feet in OPEN area.The receiver will play the tunes whenever the magnet and sensor is separated.
• Customize and Expandable. Each wireless receiver can work with 20 transmitters(push buttons/sensors) at most and each transmitter can be set to different or same music.
• Easy installation. Requires no wiring,just plug the receiver into outlet, tear off the adhesive tape of push button or door sensor then stick them on the door or window.
• FCC, RoHS certified and 1 Year Warranty. Any quality problem of the item,please contact our customer service team directly.