retail fire alarm system

Wanlin Fire - China source manufacturer for fire alarm sounder. 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: smoke and heat ···

emergency alarm system direct from Wanlin Fire Protection — 12-year factory experience, WL-SFP700 smart fire detector certified CE/EN14604/EN54/UL217/UL268/FCC. Key specs: ARM Cortex-A7 Processor + 4G LTE Cat.1 + WiFi + Ethernet + Zigbee + Bluetooth + Cloud Platform Integration, 4G LTE Cat.1 + WiFi + Ethernet + Zigbee + Bluetooth + IoT Cloud Platform + API/S···