1.Power supply non-polar input:DC 9V~35V
2.Stainless steel shield,Anti-RFI.
3.Double Sided Glass Fiber circuit board.
4.MCU processing adopted,eliminate false alarm. 5.Remote LED indicator.
6.SMT adopted,high stability.
7.Dustproof,mothproof and anti-light interference design.
8.Power-off reset. Detection sensitivity:2.06%/ft
9.Dimension: Φ100*46mm .
10.Execute criterion:EN54-7,UL539