OPTEX infrared external motion detector, curtain type with antimasking, 12m left and 12m right. New Design, easy installation, reliable operation. It has 2 beams per side and both must detect motion for the output to activate. Adjustable coverage distance (2.5, 3.5, 6, 8.5, 12m), sensitivity and Alarm output can be independent per side. It is placed at a height of 0.8-1.2m. It has an automatic temperature control circuit. Detection speed moving target: 0.3 to 2.0m/sec. It has a Back Tamper. Operating voltage 9.5 to 18V DC. 34mA consumption, 2 outputs NO/NC, LED alarm indication. IP55, -30 +60oC. Dimensions: H199.7 x W92.8 x D52.7mm. Color white. Possibility of changing the color to silver or black with the use of optional accessories.