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Battery - Less  wireless doorbell
Battery - Less  wireless doorbell

Battery - Less wireless doorbell

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Battery - Less wireless doorbell

1. The transmitter signal transmits three sets of signals in a single pass, which can penetrate multiple layers of walls, and the transmission distance of the relay function is doubled. The maximum transmission distance is about 300 meters.

2. Built-in code system, you can increase or decrease the transmitter/receiver as needed, and  easily  realize  more than  one  drag and  more operations.

3. Kinetic energy  self-generating technology, pressing kinetic energy to generate electric energy, driving  circuit  to emit signals, realizing  self-power supply.

4. Selected high-quality electrical materials, 200,000 compression tests, service life of up to 30 years.




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