Model: AK-218A3/A4
Photoelectric sensor
Ceiling mounted
Low power CMOS microprocessor
Working voltage: 9VDC/12VDC
Working current: static current＜80ua, alarm current: 100-150ma
Stable operating capability
Networking: wired networking（NO/NC）
Smoke sensitivity : 0. 2%-0. 4%, UL217
Patent No. :
200830104026. 6/200830104027. 0