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Contact Supplier1.SR-801 is 2-Wire Network photoelectric fire alarm
2.The small smoke detector with power supply non-polar input
3.Infrared photoelectric sensor for our fire service smoke alarms
4.MCU processing, eliminate false alarm
5.high stability wired smoke detectors (SR-801) with SMT manufacture technology
6.Dustproof, mothproof, anti-light interference design
7.Stainless steel shield, anti-RFI(20V/m-1GHz)
8.Execute criterion:UL268, GB4715, EN54-7