This fits your .
Sturdy plastic material to ensure maximum strength and durability for long lasting usage.
Simply plug the receiver into a mains outlet, mount the doorbell on the place you need,it will work.
There are 4 levels of adjustable volume from 20db to 80db and 36 different rings for your choice.
Operating range of 200m in open area,it can through the steel door, wooden door, external wall, internal wall.
For the older or pragnants, in any special circumstances, they just press the transmitter, the other peoples in house can receive the SOS signal.
Receiver operating voltage: AC 90-260V, operating current: ≤ 60mA.
Quiescent current: ≤7mA.
Power: ≦ 2W.
Music: 36 chord music to choose from.
Working frequency: 433MHZ.
Controllable volume: 20-80dB (4 file volume adjustment options).
Remote control / receiving distance ≧ 200m (open area).
Transmitter operating frequency: 433MHZ.
Transmitter voltage: 12V (battery model: 23A 12V).
Color:As pictures show.
Package size: 13*10.5*7cm.
2 * Receivers.
1 * Transmitter.
1 * Manual.
1 * Double-sided adhesive.
Chilie Wireless Doorbell Door Bell Kit 200m Operating 36 Chimes 1 Transmitter and 2 Receivers Digital Bell - B07DFJD4BF