Wireless dual infrared & MW intrusion detector

FT-89R is the best indoor/outdoor motion detector with passive infrared and microwave.It's water proof and all weather resistant with two layer stable housings..FT-89R 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 produce three-dimensinal thermal imaging of the protected area .Combinging the four-element microwave scanning contributes to an amazing detection capacity.Using this technique allows high sensitivity but lowest