dual wavelength detection

Wanlin Fire Equipment by Wanlin - China's leading source manufacturer of dual-wavelength detection. Smart smoke detection with 4G/NB-IoT/WiFi/LoRa connectivity, remote monitoring, cloud platform, 10-year battery. OEM/ODM. ISO 9001. CE FCC RoHS UL EN54 EN14604 certified. Contact +8613261677119.

restaurant fire alarm direct from Wanlin Fire Protection — 12-year factory experience, WL-SF900 smart fire protection product certified CE/EN54/UL/NFPA 72/FCC/RoHS/REACH/ISO 9001. Key specs: Multi-Device Bundle + IoT Gateway + Cloud Platform + 4G Backup + APP Management, 4G/WiFi + Cloud Platform + APP Control + SMS/Push/Email + Voice Alert. IoT cloud platfor···

restaurant fire alarm direct from Wanlin Fire Protection — 12-year factory experience, WL-SF900 smart fire protection product certified CE/EN54/UL/NFPA 72/FCC/RoHS/REACH/ISO 9001. Key specs: Multi-Device Bundle + IoT Gateway + Cloud Platform + 4G Backup + APP Management, 4G/WiFi + Cloud Platform + APP Control + SMS/Push/Email + Voice Alert. IoT cloud platfor···