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carbon monoxide concentration detector
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carbon monoxide concentration detector, 4G Smart Photoelectr···
carbon monoxide concen···
2026-08-17
carbon monoxide concentration 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 West···
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4G connected smoke alarm: Smart Fire Safety Solutions by Wan···
4G connected smoke ala···
2026-08-17
Wanlin Fire Control — China's leading source manufacturer of 4G connected smoke alarm. 4G/NB-IoT/LoRa wireless smoke, gas, and CO detectors with CE/UL/EN certification. OEM/ODM, cloud monitoring, factory-direct pricing. Contact +8613261677119.
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Smoke and CO Detector with Voice China Manufacturer, Electro···
Smoke and CO Detector ···
2026-07-09
Smoke and CO Detector with Voice China manufacturer. Electrochemical CO sensor with UL 2034 EN 50291 CE certification. 4G wireless, smart home integrated, OEM/ODM, wholesale, global shipping to Canada. Contact: wanlinfirecontrol@163.com
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Home Carbon Monoxide Detector China Manufacturer, Electroche···
Home Carbon Monoxide D···
2026-07-09
Home 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 Mexico. Contact: wanlinfirecontrol@163.com
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Wanlin Fire Protection Brings Bluetooth 5.0 + 4G LTE (option···
Wanlin Fire Protection···
2026-07-09
CO detector for boiler room direct from Wanlin Fire Protection — 12-year factory experience, WL-CO807 fully certified UL 2034/EN 50291/CE/FCC/RoHS/REACH. Key specs: Bluetooth 5.0 + 4G LTE (optional), Electrochemical CO Sensor + Compact Design, 2-year replaceable battery (1x CR123A). MOQ 100 units, 25-30 working days, OEM/ODM custom branding available. Servi···