Infrared Sensor for lamp 3 wire automatica to control lamp' on or off Infrared sensor detect CE&RoHS Infrared Sensor for lamp 3 wireInfrared ... be in dormant state automatically. 3. This product is suitable for many load types: incandescent, energy saving lamp, ring lamp, fluorescent ... product. when emergency happen and need to keep lights on for long time, the load lights will be turn on by ...