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IoT gas detector, 4G Smart Photoelectric Smoke Detector, WL-···
IoT gas detector, 4G S···
2026-08-17
IoT gas detector — Wanlin, 12-year Chinese smart fire detector manufacturer, WL-SM600 (4G Smart Photoelectric Smoke Detector) certified UL/CE/EN54. Dual-Wavelength Photoelectric + 4G LTE Cat.1 + IoT Cloud + 85dB Siren + 10-Year Battery. 10-year battery, 4G/NB-IoT/LoRaWAN, OEM/ODM from 500 units, factory direct pricing 50-70% below Western brands.
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Carbon Monoxide Detector China Manufacturer, Electrochemical···
Carbon Monoxide Detect···
2026-07-09
Carbon Monoxide Detector China manufacturer. Electrochemical CO sensor with UL 2034 EN 50291 CE certification. 4G wireless, smart home integrated, OEM/ODM, wholesale, global shipping to USA. Contact: wanlinfirecontrol@163.com
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Carbon Monoxide Detector China Manufacturer, Electrochemical···
Carbon Monoxide Detect···
2026-07-09
Carbon Monoxide Detector China manufacturer. Electrochemical CO sensor with UL 2034 EN 50291 CE certification. 4G wireless, smart home integrated, OEM/ODM, wholesale, global shipping to USA. Contact: wanlinfirecontrol@163.com
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Wanlin Fire Protection Brings 4G LTE Cat.4 + WiFi 6 + Matter···
Wanlin Fire Protection···
2026-07-09
carbon monoxide alarm for NESC direct from Wanlin Fire Protection — 12-year factory experience, WL-CO808 fully certified UL 2034/EN 50291/CE/FCC/RoHS/REACH. Key specs: 4G LTE Cat.4 + WiFi 6 + Matter, Electrochemical CO + VOC + Temperature + Humidity Multi-Sensor, AC powered + 72h backup battery. MOQ 100 units, 25-30 working days, OEM/ODM custom branding avai···
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