ITEM NAME:HC-SR501 Human Sensor Module Pyroelectric Infrared Blue P2X2 HC-SR501 Human Sensor Module Pyroelectric Infrared Blue P2X2 Product Type: HC--SR501 Body Sensor Module Operating voltage range: DC 4.5-20V Quiescent Current: Less than 50uA Level output: High 3.3 V / Low 0V Trigger: L cannot be repeated trigger / H can be repeated trigger (Default repeated trigger) Color: Blue material:ï ¼Å¸PCB Delay time: 5-200S (adjustable) the range is (0.xx second to tens of second) Block time: 2.5S (default) Can be made a range (0.xx to tens of seconds) Board Dimensions: 32mm*24mm Angle Sensor: Less than 100 cone angle Operation Temp: -15 - +70 ℃ Lens size sensor: Diameter:23mm(Default) Package Include: 1* HC-SR501 Human Sensor Module Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is +/-1-3 cm..Product Type: HC--SR501 Body Sensor Module. Trigger: L cannot be repeated trigger / H can be repeated trigger (Default repeated trigger). 1 HC-SR501 Human Sensor Module. Angle Sensor: Less than 100 cone angle.