Combined Smoke Heat CO Detector direct from Wanlin Fire Protection — 12-year factory experience, WL-SM900 fully certified CE/EN54/FCC/RoHS. Key specs: 4-wire non-addressable, 12/24VDC, relay output, c
Professional hardwired smoke detector system manufacturer from China. CE EN54 LPCB certified, exported to 200+ countries. Wholesale price, OEM ODM available. Contact: wanlinfirecontrol@163.com | www.wanlinfire.com
Combined Smoke Heat CO Detector direct from Wanlin Fire Protection — 12-year factory experience, WL-SM900 fully certified CE/EN54/FCC/RoHS. Key specs: 4-wire non-addressable, 12/24VDC, relay output, c