1. Unscrew the screw with a screwdriver and remove the battery cover.
2. Install 4*AAA battery.(Battery not include)
3.Install the battery cover and screw on it.
4.Press the intercom button:
1.When the indoor unit is turned on, it can receive the signal from the outdoor unit, and when it is turned off, it cannot receive the signal.
2.Press the outdoor unit and the indoor unit presses the dialogue button to talk.
3.Low battery indicator: When the outdoor unit is low, the red light flashes;and when the indoor unit is low, the green light flashes.
a.When the indoor unit receives the signal from the outdoor unit,the green light flashes. b.When two indoor units appear at the same time, press the internal pager,they can call each other; when the indoor unit calls another indoor unit, the indoor opportunity to make a call lights up red, and the indoor opportunity to receive the call lights up in blue.
Battery Voltage: Battery Not Include
Dimension and Weight
Product weight: 0.2450 kg Package weight: 0.3450 kg Package Size ( L x W x H ): 14.50 x 14.00 x 6.00 cm / 5.71 x 5.51 x 2.36 inches
Package Contents: 1 x Outside Doorbell, 2 x Inner Doorbell, 2 x Charing Base,2x USB cable,3 x Doule-Sided Tape,1 x English User Manual