3 in 1 Smoke Heat Carbon Monoxide Alarm 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 di
Fire Smoke Sensor direct from Wanlin Fire Protection — 12-year factory experience, WL-SM200 fully certified CE/EN54/FCC/RoHS. Key specs: 2.4GHz WiFi, Tuya/Smart Life app, Google/Alexa voice, interconn