Microwave and passive infrared detection, and combined fuzzy logic digital (patent) analysis, excluding the interference that all sorts of ordinary detectors can not overcome, only to make a real human movement alarm; The function is far beyond a variety of infrared detectors without microwave performance; Adopts patented full range of precision temperature compensation, no matter how environmental temperature changes, consistent detection sensitivity, no dead zone temperatures (typically at 32~40'C, the sensitivity dropped significantly, or easily mistaken in other warm areas; Patented adaptive FM of microwave and linear propagation technology; Anti-interference technology; Programmability function, maximum flexibility. Power supply: DC 9~12V; Working current: static 15uA alarm 15mA (DC 12V working voltage); Power on: in working state after power on for 1 minute; Origin of shock: micro-strip circuit and shock power; Working frequency: 3.2GHz; Region: 12 x 12m; Sensitivity level: 30%~100% adjustable; Sensor: specific design, low noise, dual structure; Lens window: 36; Detecting angle: 110 degrees; Temperature compensation: 2 grade auto compensation; Working temperature: -10~55'C; Storage temperature: -25~65'C