AL2222-MD is the best indoor/outdoor motion detector with passive infrared and microwave digital technology. It's waterproof and weather resistant, the best choice for military, industrial, commercial, residential areas.
AL2222-MD combines a variety of detection techniques which enable it to work in the most difficult environment where needs high security while maintaining immunity to false alarm.
The infrared sensor adopts nice lens to produce three-dimensional thermal imaging of the protected area. Combining the four-element microwave scanning contributes to an amazing detection capacity.
Using this technique allows high sensitivity but lowest false alarm.
This Wireless Outdoor Microwave PIR Infrared Motion Detector is equipped with unique protective mechanisms against any attempt to damage or to disable its operation.