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4G wireless smoke detector, NB-IoT Smart Gas Detector, WL-GA···
4G wireless smoke dete···
2026-08-17
4G wireless smoke detector — Wanlin, 12-year Chinese smart fire detector manufacturer, WL-GA201 (NB-IoT Smart Gas Detector) certified UL/CE/EN54. Electrochemical/Semiconductor + NB-IoT + Cloud + Valve Control + 5-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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4G Wireless Smoke Detector Manufacturer, CE EN14604 UL RoHS ···
4G Wireless Smoke Dete···
2026-07-08
4G Wireless Smoke Detector China manufacturer. CE EN14604 UL RoHS FCC certified. 4G wireless smoke detection solution for Oceania market. OEM/ODM, wholesale, global shipping. Contact: wanlinfirecontrol@163.com
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Wanlin Fire Protection Brings NB-IoT (B1/B3/B5/B8/B20/B28) N···
Wanlin Fire Protection···
2026-07-07
smoke and heat detector direct from Wanlin Fire Protection — 12-year factory experience, WL-SM602 fully certified CE/EN14604/FCC/RoHS/REACH. Key specs: NB-IoT (B1/B3/B5/B8/B20/B28) wireless, 10s alert push via APP/SMS/call, 10-year sealed lithium battery, CE/EN14604/FCC certified. MOQ 200pcs, 20-25 working days, OEM/ODM custom branding available. Serving 60+···
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