This remote control infrared sensor alarm can detect and deter thief,keep your home safe.This home infrared alarm can make loud alarm which is 105 dB loudness,therefore the theft can be scared away and the sound alarm can attract police,security stuff attention.This infrared detector alarm uses infrared detector which don&39;t need sound,vibration to trigger the alarm and can set off the alarm once the the thief enter in the sensor range.This infrared sensor alarm is easy to install and is suitable for setting at home,office,garages and sheds etc.You can use the remote controller to set the alarm or turn off this home alarm.Once you turn it on,it will have 10 seconds standby time and you can leave the room within this time.Specification:Material: Plastic.Color: Show as picture.Size: 121*85*50mm.Alarm battery: 4*AA battery.(Not included)Remote controller battery: 3*AG13.(Built in)NoteThere might be a bit color distortions due to different computer resolutions.There might be a slight errors due to different hand measurement.Package included:1* Alarm sensor.2* Remote controller.(Battery built in)1* Mount bracket.