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smoke alarm
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China Battery Operated Smoke Alarm Supplier Spotlight: Wanlin WL-SM950 (Industrial Smoke Heat Sensor
2026-05-31
Battery Operated Smoke 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°C~+85°C, SI