CACAZI A58 1 For 1 Smart Wireless Doorbell without Battery, Plug:UK Plug(Black Gold) Filter-Door Window Alarm Support power-on password setting to

Support power-on password setting to protect data security

Data encryption to protect privacy

The doorbell has 60 built-in chord music

6inch * 11

CACAZI A58 1 For 1 Smart Wireless Doorbell without Battery, Plug:UK Plug(Black Gold) Filter-Door Window Alarm Support power-on password setting to1. Material: ABS, electronic components 2. Remote control distance: 300 meters 3. Built in music: 60 songs 4. Volume: 5 speed adjustment 5. Transmitter battery: 12V 23A battery x 1 (shipping without battery) 6. The doorbell has 60 built in 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,