10pack HC-SR501 Pyroelectric Infrared PIR Motion Sensor Modules for Micro Controllers arduino rasphberry pi

computerized sensor:when enter the sensor,output vary is excessive,when individuals depart the sensor, vary of the automated off, output low
temperature compensation,Blockade time: 0.25 seconds
two set off mode:not repeat the set off, repeatable set off
Working voltage vary: DC 4.5-20V
Quiescent Present:50uA Set off: L can’t be repeated set off/H could be repeated set off(Default repeated set off)