CACAZI A58 1 For 1 Smart Wireless Doorbell without Battery, Plug:UK Plug(Black Gold) Filter-Powerline Network Adapters Flex cable ribbon replacement for

Flex cable ribbon replacement for Samsung i8510

General Compatible with Lenovo:  E450C

Battery: 1 x AA Battery (Not included)

efficient management

instant messaging is easy to manage

CACAZI A58 1 For 1 Smart Wireless Doorbell without Battery, Plug:UK Plug(Black Gold) Filter-Powerline Network Adapters Flex cable ribbon replacement for1. 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,