1. 100% Brand New & High Quality2. Protect and deter intruders3. Ideal For Office，Home，Garages and Sheds4. Easy to mount，Adjustable mounting unit5. Wireless，Infrared detector，Motion-activated6. Alarm Sound Level: 105dB7. Remote Control Distance: about 5-10m(open)8. Detection Range: the detection distance of 7 meters9. Working Voltage:AC 220V(need self-transformer)， DC 6V(can be installed within 4 AA Batteries)(Batteries do not included) Installation Requirements: Remote Control infrared warning device for the protection range should be open ，should have no obstacle Warning Device should be installed to avoid near-infrared heat source，such as:hot and cold air outlet，air conditioning Vent，heater，air-coolers，etc.Avoid direct to door Remote Infrared Ray and the wall into 10-30 degree angle，then the detection distance is most far away.Adjust the angle of the actual installation accord to actual situation Specifications: Item size: 112*67*33mm Package size:130mm*50mm*128mm Color:White Package : 1 x Alarm Sensor2 x Remote Control1 x Mounting Bracket If there is any problem， please contact us through eBay message firstly， we will resolve the problem. Thank you!