HC-SR501 - Infrared motion sensor

Description: Small form factor PIR module.

Specifications:

Using pyroelectric PIR sensor, Fresnel
Low-power, static power 50uA
Wide voltage range, DC 4.5-20V
Board small size 38 * 28mm (32 * 24 * mm)
Repeatable / not repeatable trigger mode selection
Easy to use, power + - signal output
7 m sensing range
110 degree angle sensor