Main feature: ◆ fireproof ABS housing ◆ pulse count optional ◆ automatic temperature compensation ◆ LED ON/OFF optional ◆ Accurate curtain detecting ◆ SMT adopted, anti-RFI & anti-EMI Technology parameter: Operating voltage: DC9-16V Consumption current: ≤18mA(DC12V) Operating temp.: -10℃ ～+50℃ Installation mode: wall mounted Installation height: about 1.8m Detecting distance: 9m Detecting angle: 15 degrees Alarm output: N.C. Anti-dismantle switch: N.C. Dimension: 110*69.5*40mm