fire station smoke detector

Wanlin Fire - China source manufacturer for electrical room smoke detector. Featured model WL-TH-SD (Photoelectric Smoke Detector): Photoelectric, 850 nm infrared scattering chamber; EN54-7 Class A2, alarm at 0.10-0.13 dB/m obscuration; Built-in 85 dB at 3 m sounder + NO/NC relay contact; -10 to +50 deg C, 0-95% RH (tropical humidity rated). Full lineup: smo···

false alarm prevention technology direct from Wanlin Fire Protection — 12-year factory experience, WL-SFP400 smart fire detector certified CE/EN14604/EN54/UL217/UL268/FCC/QCVN. 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 +···