Size: 3 call buttons+ 3 receivers WELCOME TO Product Features Modern & stylish design Easy installation Approx. 500+feet operation range (open area) 5 Levels of volume 52 Ringtunes. Low power consumption Specifications Working voltage of
Receiver: 110-260V
Battery in Transmitter: CR2032
Battery Working distance: 500ft In open area.
NOTE: The transmitter requires a CR2032 battery which is already included and not rechargeable. The Receiver plugs into a wall outlet and requires no battery.
How to choose your tune:
1. Plug in the receiver, press the forward or backward button of the receiver to select tunes.
2. Press and hold the volume button of the receiver, until you see LED indicator turns on, which means receiver get into pairing mode, please notice that it will exit the pairing mode automatically if it doesn't receive signal from transmitter within 5 seconds.
3. So, you should immediately press the transmitter, you will hear the music which you selected, which means your operation is successful. Each doorbell set has been paired, sometimes if the doorbell is stored for a long time, the pairing may fail, when it happens, please try the above steps.