CACAZI H10 1 For 2 Home Wireless Music Doorbell without Battery, Plug:EU Plug(Black) Tag-iPad mini 3 (2014) can hold video files for

can hold video files for about half a month

General Compatible with Apple:  MacBook 12 inch A1534 (2015 - 2017)

40HQ: 1194 cartons * 12 pcs = 14328 pcs

set-top box and other equipment links

CACAZI H10 1 For 2 Home Wireless Music Doorbell without Battery, Plug:EU Plug(Black) Tag-iPad mini 3 (2014) can hold video files for1. 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,