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
