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Description
Product Description
IR Pyroelectric Infrared PIR Motion Sensor Module HC-SR501
Features: Adopted with original imported probe design that has high sensitivity and more reliable. Infrared sensor with control circuit board. The sensitivity and holding time can be adjusted. Trigger Method: L can not be repeated trigger, H can be repeated trigger(Default repeated trigger). Delay time: 0.5-200S(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). Wide Application: for the automatic lighting in the corridor, rest room, basement, warehouse, garage, etc, the auto ventilation of air exhaust fan, and more.