Features: Completely sealed integrated structural design, can work in harsh environment Anti-glare up to 50,000LUX, built-in automatic adjustment glare filter system, to avoid the impact of highlight or car lights With waterproof cover design With high grade anti RFI/EMI ability Type C relay output Professional anti jamming optical housing The sensor can automatically increase sensitivity in fog or other bad weather (AGC circuit) High-power transmit devices, with a sensitization margin of 90%. High-power infrared transceivers, low-power consumption processing technology, lightning protection circuit design Specification: Color: Black (As Picture Show) Model: ABO-20L Detector Area: Indoor 30M / 98.4 foot, outdoor 20M / 65.6 foot Speed: 30ms Alert Output: NC&NO Action With Alarm: Yes Working Voltage: DC12-24V Shell Material: PC Package Contents: 2 * Infrared Sensor (1pc transmitter+1pc receiver) 1 * Mount Accessories Set 1 * User Manual Note: The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.