tunnel fire alarm

LoRa MCP IP67 WL-LOR-HEAT600 LoRaWAN Heat Detector Fixed 57C CR export OEM ODM wholesale

LoRaWAN smoke detector UL 268 WL-LOR-HEAT600 LoRaWAN Heat Detector Fixed 57C CR export OEM ODM wholesale

Wanlin Fire - China source manufacturer for Hat Yai fire safety. Featured model WL-TH-IOT (Smart Wireless IoT Detector): Photoelectric smart smoke detector with 4G LTE module; EN54-7 Class A2 chamber, hourly cloud self-test; Local 85 dB sounder + cloud push / SMS / voice call + siren relay; -10 to +55 deg C, 0-95% RH (tropical humidity rated). Full lineup: s···

Vietnam data center very early fire detection direct from Wanlin Fire Protection — 12-year factory experience, WL-SFP100 smart fire detector certified CE/EN14604/EN54/UL217/UL268/FCC/QCVN. Key specs: Dual-Wavelength Photoelectric Sensing + Infrared Scattering Chamber + 4G LTE Cat.1 Cellular Communication, 4G LTE Cat.1 + IoT Cloud Platform + SMS/Push/Email Al···