CACAZI A50 1 For 1 Wireless Music Doorbell without Battery, Plug:UK Plug(Black) Tag-Full Housing Cover Support data read up to

Support data read up to 500GB

High quality Volume Button & Mute Switch flex cable for iPhone 6 Plus

According to the transfer rate: 15 MB/s

Easily read the CF card and transfer large files easily

push the password modification switch on the lock to R

CACAZI A50 1 For 1 Wireless Music Doorbell without Battery, Plug:UK Plug(Black) Tag-Full Housing Cover Support data read up to1. Material: ABS, electronic components 2. Remote control distance: 150 meters 3. Built in music: 58 songs 4. Volume: 4 speed adjustment 5. Transmitter battery: 12V 23A battery x 1 (shipping without battery) 6. The doorbell has built in 58 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,