CACAZI FA86 Self-Powered Smart Home Wireless Doorbell, EU Plug(White) Tag-Earpiece & Loundspeaker Material: ABS plastic and iron

Material: ABS plastic and iron mesh

Sleeping current <=12uA

teenagers and other groups

Input voltage: 220V

CACAZI FA86 Self-Powered Smart Home Wireless Doorbell, EU Plug(White) Tag-Earpiece & Loundspeaker Material: ABS plastic and iron1. 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