5 grade 0~110dB
Up to 200m
BF-707
Yes
AC Power
IP65
1. No battery required for push button
2. Plug in receiver with 110V~220V voltage
3. Operating range up to 200meters
4. With LED indicator for both push button and receiver
5. 5 Grade volume adjusting from 0dB~110dB
6. IP65 waterproof design for push button
7. DIY code : easy to add more push bells and Chimes
8. Optional color : Black and white
20days days