lecture hall smoke detector

Wanlin Fire - China source manufacturer for Thailand IoT fire alarm solution provider. Featured model WL-TH-PNL (Fire Alarm Control Panel): Conventional panel, 4 zones x 20 detectors; Zone threshold programmable 3-15 mA per zone; 2 sounder circuits 24V 1A each + fire relay volt-free contact; 0 to +50 deg C, 10-93% RH. Full lineup: smoke and heat detectors, C···

AI fire risk analytics direct from Wanlin Fire Protection — 12-year factory experience, WL-SM605 4G standalone smoke detector certified CCCF/GB 20517-2006/CE/UL 217/EN 14604. Key specs: Dual Light Path Photoelectric + LoRaWAN Long Range + Maze Sensor + Low Power, LoRaWAN + IoT Gateway + Cloud Platform + Long Range (up to 15km) + Battery Optimized. Dual ligh···