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gas detector with relay output
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university smoke alarm: Smart Fire Safety Solutions by Wanli···
university smoke alarm···
2026-08-17
Wanlin Fire Control — China's leading source manufacturer of university 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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cellular gas detector, 4G Dual-Sensor Gas Detector, WL-GA206···
cellular gas detector,···
2026-07-29
cellular gas detector direct from Wanlin Fire Protection — 12-year factory experience, WL-GA206 4G gas detector certified CE/EN50194/UL2075/FCC. Key specs: Catalytic + Infrared Dual Sensor + 4G Cat.1 + Multi-Criteria Algorithm + Cross-Reference Validation, 4G LTE Cat.1 + Cloud Platform + Multi-Criteria Detection + SMS/Push/Email + Remote Diagnostics + Valve···
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Bosch gas alarm alternative, 4G Gas and Smoke Combination De···
Bosch gas alarm altern···
2026-07-29
Bosch gas alarm alternative direct from Wanlin Fire Protection — 12-year factory experience, WL-GA202 4G gas detector certified CE/EN50194/UL2075/FCC. Key specs: Catalytic Gas Sensor + Photoelectric Smoke Sensor + 4G Cat.1 Dual-Channel Communication, 4G LTE Cat.1 + Cloud Platform + Dual Alarm Channel (Gas + Smoke) + SMS/Push/Email + Valve Control. Catalytic···