Linptech G1 bird-sound door bell novelty hotel kinetic doorbell UK Plug with 1 transmitter and 3 receivers

 Linptech G1 bird-sound door bell novelty hotel kinetic doorbell UK Plug with 1 transmitter and 3 receivers

1. Self-powered doorbell that requires no battery
2. Receiving distance:100M Remote (in open area)
3. Relay function that can extend the wireless range
4. 25 ring tones 3 level volume withmax 110dB (one key mute)
5. Flashing lights reminder which can help the weak hearing person
6. Transmitter service life: 200,000 times
7. Transmitter Feature: IPX7 outdoor waterproof
8. Transmitter Size:83 x 83 x 8 mm, Receiver Size: 83 x 83 x 21 mm