1. Long-distance barrier-free 200m penetration. 2. 48 music ringtones, let us choose more than one. 3. 6-level adjustable volume, freely adjustable. 4. Digital circuit design, multiple sets of use without crosstalk, effectively avoiding troubles caused by mutual neighbourhood. 5. The waterproof design of the transmitter complies with the IP44 waterproof standard, which can prevent rainwater from invading and effectively prolong the service life of the product. 6. Transmitter: with indicator light, the light is on when pressed, press to generate electricity. 7. Receiver: the bell will only light up, just plug it in. 8. Receiver voltage: 110-220V. 9. Transmitter size: 80x44x21mm. 10. Receiver size: 100x57x25mm.
