The Best Motion Detector For The Price! 
PIR technology uses infrared radiation to detect the motion of warm bodies. Beeps once when activity is detected,
then 8 seconds later it produces a loud (110 dB) alarm for 60 seconds if not de-activated. 30 second delay upon activation.
Low battery indicator.
The Portable Motion Sensor uses advanced technology to detect intruders and activity in a controlled area:
110° horizontal view, 20° vertical view up to 30 feet from unit. Completely self-contained and portable, the Portable Motion
Sensor operates on 2 standard AA batteries. 
Can be mounted on a wall, floor or ceiling, or simply placed on a tabletop. Unit is armed and disarmed from up to 30 feet
away with the handheld remote (included). Great for security or paranormal work when you want to monitor an area for activity.
