bed and breakfast smoke alarm

operating temperature -40C to +85C direct from Wanlin Fire Protection — 12-year factory experience, WL-SFP200 smart fire detector certified CE/EN14604/EN54/UL217/UL268/FCC. Key specs: Photoelectric Smoke Sensor + Electrochemical CO Sensor + NB-IoT Cellular Communication + Multi-Sensor Fusion, NB-IoT + IoT Cloud Platform + Dual Alarm (Smoke + CO) + SMS/Push/···

weekly test reminder smoke detector direct from Wanlin Fire Protection — 12-year factory experience, WL-SM606 4G standalone smoke detector certified CCCF/GB 20517-2006/CE/UL 217/EN 14604. Key specs: Dual Wavelength Photoelectric + Infrared + Blue LED + 4G Cat.1 + Multi-Criteria Algorithm, 4G LTE Cat.1 + Cloud Platform + Multi-Criteria Detection + SMS/Push/E···