Optex SL-350QDP is a quad beam active infrared sensor with 4 channel selectable frequency for perimeter security. It also features 100m detection range, anti-frost hood design, and easy-to-see vivid ...

Optex SL-650QN is a quad beam active infrared sensor for perimeter security. It also features high power Quad beams with high grade aspherical lenses. Optex TWD-204RR pre-built beam tower Optex ...

(Passive InfraRed sensor) A device used to detect ... This passive method is not as reliable as "active" motion sensors that either bounce back a radar signal or transmit light to a photodetector ...

As traffic accidents continue to rise, particularly in low-light conditions, the need for automobile advanced driver assistance systems(ADAS) has ...