CACAZI A9 1 Button 5 Receivers Smart Home Wireless Remote Control Music Door Bell, UK Plug(White)

1. Strong penetrating performance, the receiving distance can reach 300 meters in straight line.
2. 52 music switches freely.
3. 4 levels of volume can be adjusted.
4. Power supply voltage: The transmitter uses a 12V/23A alkaline battery(not included), and the receiver can be used when plugged in.
5. Transmitter size: 81x39x17mm
6. Receiver size: 81x81x45mm
7. Scope of application: residential and commercial residential areas, office buildings, hospitals, restaurants, factories and other places.