3Pcs RobotDyn® 5V PIR Motion Sensor Adjustable Time Delay Sensitive Module For Arduino

Feature: This is a simple to use motion sensor. Power it up and wait 1-2 seconds for the sensor to get a snapshot of the still room. If anything moves after that period, the 'alarm' pin will go low. Specification: Adjustable time delay Adjustable sensitive Connection for CDS sensor (day/night) Input voltage: 5V Package includes: 3 x PIR Motion Sensor