CACAZI FA86 Self-Powered Smart Home Wireless Doorbell, EU Plug(White) Tag-Earpiece & Loundspeaker Input voltage: 220V

Input voltage: 220V

Support switching multiple modes of voice changing function

General Compatible with Nokia:  2

Replacement earpiece for iPhone 11

Material: ABS plastic and iron mesh

CACAZI FA86 Self-Powered Smart Home Wireless Doorbell, EU Plug(White) Tag-Earpiece & Loundspeaker Input voltage: 220V1. 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