1. 48 music ringtones, lets choose more than one
2. 6-level adjustable volume, freely adjustable
3. Transmitter waterproof design, meet IP44 waterproof standard
4. Transmitter: with indicator light, when pressed, the light is on, press to generate electricity
5. Receiver: the light is on when the bell rings, just plug it in
6. Remote control distance: 200 meters straight on open ground
7. Receiver voltage: 110-220V
8. Transmitter size: 80x44x21mm
9. Receiver size: 100x57x25mm
