Protect and deter intruders in both your home andice with this wireless remote control motion sensor alarm. The alarm uses a dedicated infrared sensor chip, PIR dual pyroelectric infrared sensor. Through the detection of human radiation infrared heat and start the probe site sound alarm, in time to prevent theft. The device provides a 110° scanning area, 10 meters range of detection and 105 db alarm, it can deter thieves and intruders effectively. It is ideal for use in garages and sheds.The detector is wireless and powered by batteries, so you can mount it on wall easily, without worrying the power supply.