Product Introduction:
Doorbell is provided by Advante Electron Ltd,a major Doors & Windows supplier in Construction & Real Estate wholesale industry in China.You can check out the specification of Doorbell below or get any optional result clicking into the following keywords and you can check the authentications and testimonials of Doorbell .
Description:
Opetating range is up to 100m on open air Transmitter uses one 12V 23A battery (included)Reveiver unit uses three 1.5V AA batteries (not included) Built-in 50mm speaker for more clear sound