Wireless doorbell

● Digital code system, avoid interference between users and error ringing
● 25 sounds selectable, press the melody select button on the left side of chime unit
● Red LED flashing light indication at receiver upon receipt signal, ideal for people with hearing problem
● 120M Long remote control distance
● Waterproof transmitter
● Do not mount onto metalic surfaces, may reduce operating range
● Low power consumption, long battery life
● Easy to install, no wired required