dual wavelength detection

Wanlin Fire Equipment by Wanlin - China's leading source manufacturer of lecture hall smoke alarm. 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.

military base smoke detector direct from Wanlin Fire Protection — 12-year factory experience, WL-SFP400 smart fire detector certified CE/EN14604/EN54/UL217/UL268/FCC. Key specs: Addressable Manual Call Point + Sounder Strobe + 4G LTE Cat.1 + Addressable Loop + LED Indicator, Addressable Loop + 4G LTE Cat.1 Backup + Cloud Platform + SMS/Push/Email + Relay Out···

IP67 protection direct from Wanlin Fire Protection — 12-year factory experience, WL-SF700 smart fire protection product certified CE/EN54/UL/NFPA 72/FCC/RoHS/REACH/ISO 9001. Key specs: Multi-Protocol Gateway + 4G/Ethernet/WiFi + Edge Computing + Cloud Platform + API/SDK, Modbus/BACnet/KNX/MQTT/HTTP + 4G/Ethernet/WiFi + Cloud Dashboard + API/SDK. IoT cloud pl···