This is a highly integrated module popularly used for entry detection, it can simplely and easily to adopt in system. There are two adjustable potentiometer on the module, you can use them to change the trigger sensitivity and the duration of the trigger signal.
Specification
Input Voltage: DC 4.5-20V
Static current: 50uA
Output signal: 0,3V or 5V (Output high when motion detected)
Sentry Angle: 110 degree
Sentry Distance: max 7 m
Shunt for setting overide trigger: H - Yes, L - No