Features:
*Unique doorbell with motion sensor detector that triggers the doorbell main unit.
*Motion sensor range area is about 7 meters area at an angle of 110 degrees,operating range is about 100 meters(open place).
*Independent alarm horn,maximum 110dB.38 different ring tones,volume is adjustable.
*Receiver host easily plugs into an electrical outlet,motion sensor uses 3*AAA Ba-tte-ry(not included) or micro USB pow-er sup-ply.
*Applicable to all kinds of shops, hotels,offices,factories,homes,etc.


Specifications:
Working Voltage of the Receiver:110V-240V
Working Voltage of the PIR Sensor:3*AAA Ba-tte-ries(not included)
Working Range: Up to 100 meters(open place)
Infrared Sensing Range: Up to about 7 meters
PIR Sensor Viewing Angle: 110 degree
Music source: 38 different songs
Volume Adjustment: high, middle,low
Receiver Size: Approx. 80*76*33mm(L*W*H)
Sensor Size: Approx. 80*59*45mm(L*W*H)


Package Information:
Package Size: Approx. 10*9*9cm/3.9*3.5*3.5in
Package Weight: Approx. 160g/0.35lb