"Features:
Power supply non-polar input:DC 9V~35V
Stainless steel shield,Anti-RFI.
Double Sided Glass Fiber circuit board.
MCU processing adopted,eliminate false alarm. Relay output/LED indicator4 wire Remote LED indicator. 2 wire
SMT adopted,high stability.
Automatic reset or power-off reset.
detection sensitivity:2.06%/ft
Alarm temperature:57℃(135℉)
Execute criterion:EN54-7,UL539"