CACAZI FA86 Self-Powered Smart Home Wireless Doorbell, US Plug(Black) Filter-Wired Mice Concealed outer bag to support

Concealed outer bag to support anti-theft

1 x USB Receiver

Replacement touch screen for Samsung Galaxy Xcover4 / G390

Focus range: 20mm

power saving

CACAZI FA86 Self-Powered Smart Home Wireless Doorbell, US Plug(Black) Filter-Wired Mice Concealed outer bag to support1. 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