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NB-IoT wireless smoke detector, NB-IoT Smart Gas Detector, W···
NB-IoT wireless smoke ···
2026-08-17
NB-IoT 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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Wanlin WL-SG500 WiFi/Zigbee Walk In Freezer Defrost Alert — ···
Wanlin WL-SG500 WiFi/Z···
2026-06-11
walk in freezer defrost alert direct from Wanlin Fire Protection — 12-year factory experience, WL-SG500 fully certified CE/FCC/RoHS. Key specs: WiFi/Zigbee wireless, 8s alert push via APP/SMS/Audible + Auto Gas Shut-Off, AC Powered + Battery Backup
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Wanlin WL-SG500 WiFi/Zigbee Laser Cutter Smoke Evacuation — ···
Wanlin WL-SG500 WiFi/Z···
2026-06-11
laser cutter smoke evacuation direct from Wanlin Fire Protection — 12-year factory experience, WL-SG500 fully certified CE/FCC/RoHS. Key specs: WiFi/Zigbee wireless, 8s alert push via APP/SMS/Audible + Auto Gas Shut-Off, AC Powered + Battery Backup
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Wanlin WL-SG500 WiFi/Zigbee Z-Wave Plus — Certified Export S···
Wanlin WL-SG500 WiFi/Z···
2026-06-11
Z-Wave Plus direct from Wanlin Fire Protection — 12-year factory experience, WL-SG500 fully certified CE/FCC/RoHS. Key specs: WiFi/Zigbee wireless, 8s alert push via APP/SMS/Audible + Auto Gas Shut-Off, AC Powered + Battery Backup
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