PIR Sensor Module, Fresnel Lens, Magnifying Card manufacturer / supplier in China, offering Smart Fire Detector Alarm Hw-F330, 2024 New Products Digital PIR Sensing Controller 3312-3s PIR MCU IC Chip for a Low-Power 3-Pin Digital PIR Dedicated, Dome Shape Fresnel Lens with Wide Angle 8003-2 PIR Lens and so on.