CACAZI FA86 Self-Powered Smart Home Wireless Doorbell, UK Plug(White) Tag-Charging Port Connector After using this technology

After using this technology

(Note: The mobile phone needs to support OTG protocol

USB reporting rate: 1000 Hz/ms

Q: I tried 8GB

40HQ: 408 cartons * 64 pcs = 26112 pcs

CACAZI FA86 Self-Powered Smart Home Wireless Doorbell, UK Plug(White) Tag-Charging Port Connector After using this technology1. Buttons generate electricity by themselves, no battery is required, and the generator can be turned into electricity by pressing a finger. 2. Long distance without obstacles with a penetration of 150 meters. 3. Digital circuit design, multiple sets of use without crosstalk, effectively avoiding troubles caused by mutual neighbourhood. 4. 60 music ringtones, let us choose more than one. 5. 5 levels of adjustable volume, as you like. 6. The