DIYmall 5 Pack HC-SR501 Pir Motion IR Sensor Body Module Infrared for Arduino Use Potentiometer 105, output timing is from 0.5S to 200S. Same product link https://www.amazon.com/dp/B07CSM3K63 Reference links: https://www.mysensors.org/build/motion NOTE: On this retrigger jumper is a solder jumper, and you need solder it by yourself Warranty: one year warranty, any question please feel free to contact Package Included: 5 X HC-SR501 PIR Infared Sensor