Model: M250 - Color: Black - Material: PC resin - Digital frequency conversion - Active infrared detector - Infrared LED lighting - Triple beams simultaneously blocked inspection - Detecting Distance: Outdoor 250m / Indoor 750m - Optical source: Infrared digital pulse beam - Response Speed: 50~700msec (adjustable) - Optical axis adjust angle (Horizontal): +/-180degree (+/- 90 degree) - Optical axis adjust angle (Vertical): 20degree (+/- 10 degree) - Alarm output: Relay contact output: NO. NC contact rating: AC/DC 30V 0.5A max - Tamper output: Contact output: NC contact rating: DC24V 0.5A max - Power supply: DC 13.8~24V AC 11~18V P>=15W - Power consumption: 100mA max - Package includes: - 1 x Pair digital frequency conversion active infrared detector - 1 x English user manual