Source Integrated Smoke Heat Sensor directly from Wanlin Fire, a leading Chinese manufacturer of Photoelectric Smoke Heat Detector. Product highlights: Dual-sensor smoke+heat, 80% lower false alarm ra
3 in 1 Smoke Heat Carbon Monoxide Alarm direct from Wanlin Fire Protection — 12-year factory experience, WL-SM950 fully certified CE/EN54/FCC/RoHS. Key specs: Explosion-proof ATEX, 4-20mA output, -40°