DC Wireless Doorbell
Wireless digital doorbell
Using waterproof design for outdoor units,
Using ABS + AS + silica combination and there is a LED instructions in button.
Indoor unit using ABS + AS transparent combination with a generous high-grade appearance.
Ringing has LED flash instructions (the flashing light appeared with the music rhythm ).
Door unit controled by one 2x AAA battery.
Indoor unit controled by 3 X AA batteries 36 pieces of Music for choose, Volume can be adjusted by yourself