CACAZI A19 1 For 3 Wireless Music Doorbell without Battery, EU Plug(Black) Filter-Wireless Routers 40HQ: 1071 cartons * 20

40HQ: 1071 cartons * 20 pcs = 21420 pcs

Superior video quality up to 2048*1536

Speaker ringer buzzer for iPhone XS Max

support 3D function

CACAZI A19 1 For 3 Wireless Music Doorbell without Battery, EU Plug(Black) Filter-Wireless Routers 40HQ: 1071 cartons * 201. 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 (delivery 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, and