infrared blue LED smoke detector

BACnet IP smoke alarm direct from Wanlin Fire Protection — 12-year factory experience, WL-SM608 4G standalone smoke detector certified CCCF/GB 20517-2006/CE/UL 217/EN 14604. Key specs: Dual Light Path Photoelectric + 4G Cat.1 + Cloud Platform + Complete Installation Kit + 10-Year Design, 4G LTE Cat.1 + Cloud Platform + Mobile APP + Complete Kit (Detector + M···

smoke detector FedEx 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 light p···