Main Feature: reset after power disconnection infrared photoelectric sensor network output / LED indicator stainless steel shield for anti-EMI SMT adopted Strong adaptability to circumstance Dustproof, mothproof, anti-white light Technology parameter: Operating voltage: DC12V Standby current: 2mA Alarm current: 10mA Operating temp.: -10-50 Working humidity: 95%RH Alarm mode: network output / LED indicator Detecting area: 20 square meter Sensitivity: class I Alarm output: relay output (N.C.)