ITEM NAME:1pc pyroelectric infrared ir pir motion sensor detector module hc-sr501 3C J Ew.Product Type: HC--SR501 Body Sensor Module. Trigger: L can not be repeated trigger/H can be repeated trigger(Default repeated trigger). 1PCS Motion Sensor Detector. 1, the automatic sensor: to enter the sensor output range is high, people leave the sensor range of the automatic delay off high, output low.
