3PCS HC-SR501 Pyroelectric Infrared Human Sensor Module
automatic sensor: when people enter the sensor,output range is high;when people leave the sensor, range of the automatic off, output low
output high signal: easy to achieve docking with the various types of circuits.
Board PCB Size:3.7x2.5x2cm(1.46x0.98x0.79inch)

Technical Details

Product Details

Package Dimensions
Width : 3.94 inch
Height : 1.18 inch
Length : 4.33 inch

Shipping Weight: 0.32 ounce (View shipping rates and policies)

ASIN : B019SX6ZR6