... . Jumper selectab 1.Auto-sensing: to enter the sensor range, the output is high, people left the sensing range, automatic delay, turn ... suitable for battery power supply of electrical products.3. Output high signal: it can be easily connecte to all kinds of ... .PCB Dimensions: 32 * 24mm, screw pitch 28mm screw aperture 2mm, sensor lens Dimensions: (diameter): 23mm (the default) PIR Motion Sensor Module