... non-polar input,Automatic reset and power-off reset,Alarm temperature:57C(135F), ... Meets EN54-7,UL539 operating voltage:DC 9V~35V, Power supply non-polar input. standby current : 12mA( ... alarm current:3mA(NC);15mA(NO). Anti-EMI and Stain steeless shield,Anti-RFI(20V/m-1GHz). ... interference design. Infrared photoelectric sensor. Automatic reset and power-off reset. detection sensitivity:2.06%/ft operating ...