ITEM NAME:Normally Open/Normally Closed Infrared Body Sensors, Wired Infrared Detecto T3M3 Normally Open/Normally Closed Infrared Body Sensors, Wired Infrared Detecto T3M3 High sensitivity Ultra low power consumption Beautiful atmosphere Stable performance No radiation.Energy saving and environmental protection Fire-proof ABS housing LED ON/OFF optional Automatic temperature compensation technology SMT design,anti-RFI&EMI Adjustable value of three-level pulse Alarm output: N.O/N.C optional Operating voltage: DC9-16V Comsumption current: less than 18mA(DC12V) Operating temperature: -10 Celsius ~+50 Celsius Mounting mode: wall-mounted Mounting height: 2.2m Detecting distance: about 12m Detecting angle: 110 degree Anti-dismantle switch: NC Dimension: 89*52.5*38.5mm Color: White Material: ABS Package Contents: 1 x Sensors 1 x English Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.