CACAZI A58 1 For 1 Smart Wireless Doorbell without Battery, Plug:US Plug(Black Silver) Type-Security Alarm which can quickly lock the

which can quickly lock the position of the locator and find and remove it

Support mobile APP remote monitoring

54inch * 9

real-time listening and recording

CACAZI A58 1 For 1 Smart Wireless Doorbell without Battery, Plug:US Plug(Black Silver) Type-Security Alarm which can quickly lock the1. 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,