maybe it's still picking you up on its sensor. if you're in a position to see it, than it can probably "see" you. So, despite you being still, it may still notice your small movements.
Either that, or there may be a raptor behind you moving around.
a cctv security camera can be a motion detector activated camera with this device I found on amazon.CCTV security PIR motion detector security camera 1/3"" SONY420tvl day night .1 LUX DC12
An outdoor motion detector is a great security system for any home. There several types of detectors on the market for home security use. You can view many options at http://www.specialtyalarms.com/site/1313932/page/470318
The minimum requirements one needs for a home security system are: at least one entry detector, a simple motion detector and a control panel (computer).
The security light might come on while you are driving because it has a motion detector on it and when it senses the cars movement the light comes on.
In 1209 the first motion detector was intended by Ben Ray Alexander wheat
motion detector
Yes, and you wouldn't need the motion detector.
It is a motion detector that detects motion using sound waves
EZWATCHPRO offers a motion detecting security camers that covers a 25x25 area and also has a 2 year warranty. You can find more information as well as ordering instructions and reviews at http://www.ezwatch-security-cameras.com/shop/Motion-Detector-Hidden-Camera-550-high-resolution-p-16175.html
joney willyems made the motion detector
It is a motion detector that detects motion using sound waves
That's easy. Motion