The product is a tri-tech detector composed by microwave, passive infrared and artificial intelligence, based on detecting human body's infrared spectrum and microwave Doppler effects. The product offers special optical filter and advanced signal analysis and processing technology. LH 934IC provides waterproofing that is suitable for outdoor application. It can be applied on banks, warehouses, homes and etc. With temperature compensation technology, LH-934IC enhances its performance and lowers down the false alarm rates.