A Paranologies original sensor, this is a stereo ultra-sonic sensor for detection of movement. Not only will detect an object up to 4 feet away with an lcd display on the front, but it will tell you if the object is on the left or the right of the unit.
If an object gets close to the right or left side of the Paramid, the lcd display will let the user know which side the object is on, and how far away it is. It will also send out an audible alarm as well if your not watching it.
Includes 2 sensor's, 1 Lcd display, on/off switch all built to completion.
Work's off 8 AA batteries