1. Buttons generate electricity by themselves, no battery is required, and the generator can be turned into electricity by pressing a finger.
2. Strong penetrating performance, the receiving distance can reach 150 meters in straight line.
3. Digital circuit design, multiple sets of use without crosstalk, effectively avoid the troubles caused by mutual interference between neighbors.
4. 60 music ringtones, let us choose more than one.
5. 5 levels of adjustable volume, freely adjustable.
6. The waterproof design of the transmitter effectively prolongs the service life of the product.
7. Transmitter: no battery required, press to generate electricity.
8. Receiver: Only the bell rings and lights up, just plug in.
9. Receiver voltage: 110/220V.
10. Transmitter size: 92x62x32mm.
11. Receiver size: 70x46x20mm.