CACAZI V028F Wireless Music Doorbell without Battery, Plug:US Plug(Black) Tag-For HTC Speaker ringer buzzer for iPhone

Speaker ringer buzzer for iPhone 12 Pro Max

and the 120dB alarm sound will immediately sound to attract others and get help

Frame size: top 7

and flexibly ensures high-quality audio transmission without static interference or bouncing

CACAZI V028F Wireless Music Doorbell without Battery, Plug:US Plug(Black) Tag-For HTC Speaker ringer buzzer for iPhone1. Material: ABS, electronic components 2. Remote control distance: 300 meters 3. Built in music: 38 4. Volume: 4 speed adjustment 5. Transmitter battery: 12V 23A battery x 1 (shipping without battery) 6. The doorbell has built in 38 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, and the