Hengjiaan 5Pcs Human Body Pyroelectric Infrared Motion Sensor ModulesSensors<br>Form  ColorGreen + White + Multi-ColoredModelHC-SR501Quantity1 setMaterialPCB + electronic componentsApplicationHuman Body Infrared SensorWorking Voltage   DC 4.5-20 VWorking Current50 mADownload Link   NoPacking List5 x HC-SR501 Human Body Infrared Sensor Modules<br>