CACAZI H10 1 For 1 Wireless Smart Doorbell without Battery, Plug:UK Plug(Black) Tag-Replacement Keyboards Address learning and aging and

Address learning and aging and data flow control for enhanced transmission

General Model PR-20

Frequency range: 54-20000Hz

set-top boxes or PC computers with For HDMI source equipment coaxial analog signal output on ordinary old TVs

Loading Container 20GP: 377 cartons * 200 pcs = 75400 pcs

CACAZI H10 1 For 1 Wireless Smart Doorbell without Battery, Plug:UK Plug(Black) Tag-Replacement Keyboards Address learning and aging and1. Material: ABS, electronic components 2. Remote control distance: 300 meters 3. Built in music: 36 songs 4. Volume: 4 speed adjustment 5. Transmitter battery: 12V 23A battery x 1 (shipping without battery) 6. The doorbell has built in 36 chord music, you can choose according to your preference 7. Strong penetrability, the straight line distance on the open space can reach 300 meters (note: the actual use effect varies depending on the environment,