refrigerated warehouse smoke detector

tri-color LED indicator direct from Wanlin Fire Protection — 12-year factory experience, WL-SFP400 smart fire detector certified UL 217/UL 268/UL 2034/UL 864/CE/EN14604/EN54/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···

NB-IoT smoke detector direct from Wanlin Fire Protection — 12-year factory experience, WL-SM603 4G standalone smoke detector certified CCCF/GB 20517-2006/CE/UL 217/EN 14604. Key specs: Dual Light Path Photoelectric + Thermistor Heat Sensor + 4G Cat.1 Communication, 4G LTE Cat.1 + Cloud Platform + Dual Detection (Smoke + Heat) + SMS/Push/Email. Dual light pat···