Combined Smoke and Heat Detector direct from Wanlin Fire Protection — 12-year factory experience, WL-SM100 fully certified CE/EN54/FCC/RoHS. Key specs: RF 433MHz mesh, one triggers all, 100m distance,
Hardwired Smoke 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, cost-eff