ITEM NAME:IP65 Door Safety Infrared Detector Sensor Swing Sliding Garage Gate Photocell Product Description Features: Install each pair at the opposite positions. Then there is a infrared area between these two detector parts. When someone passes the infrared region, the detector will send alarm signal to the security alarm host (which is not included here). Install Distance (Max.) in the above chart means the maximum install distance between the two detector parts. Great to be installed for security system in school, office building, hosipital, home yard, etc. Detecting range can be reduced to 30% in bad weather.1 IP65 Infrared Detector Sensor. Install each pair at the opposite positions. Then there is a infrared area between these two detector parts. Install Distance (Max.). Detector Area: indoor 20m. Outdoor 10m.
