Product features
characteristics:
1 wireless transmitting and receiving, easy installation, no effect on your interior decoration.
2 remote control distance of 10 meters, the different structures of different housing distance.
4 bell receiver directly inserted in the AC, 12V battery for a transmitter, battery available (20 / day) a year. (free)
5 sound, melodious.
6.36
music available
7.3 speed adjustable volume
product description:
doorbell by encoding the same emission, receiving two parts. The launch part can be double-sided adhesive fixed at the door to prevent rainwater dripping, static electricity, battery available (20 / day) a year. The receiving part is the communication type.

installation:
transmitter (button): distribution section 12V23A 9 small batteries,
install batteries need to use a screwdriver to pry open the back cover of the word. With double-sided adhesive, can be directly stuck on the anti-theft door. The back cover is reserved for screw holes, which can be fixed on the wall surface. It is recommended to be installed on the wall, the remote control is far away, the basic individual rooms can receive a signal. (Note: the transmitter attached to the iron gate will weaken the transmission signal, usually within five meters normal reception, very few metal anti-theft door with magnetic shield will signal to the door wall can be used normally. )

Receiver (Men Ling): direct use of the exchange of home power outlet. The advantage is not to replace the battery.
install the battery, such as to choose the bell, please press the button on the selected audio receiver, each time for a ringtone.
note: 1
should try to use high quality alkaline battery, and the power receiving distance.
2 after a period of time, such as not working properly, please check the battery.

3 avoid the doorbell transmitter installed in the sun and rain, the door bell receiver electrical equipment as far as possible from the wireless router, refrigerators and other other electromagnetic interference, so as not to affect the remote distance.