3V lithium battery powered

California smoke alarm regulations direct from Wanlin Fire Protection — 12-year factory experience, WL-SFP500 smart fire detector certified UL 217/UL 268/UL 2034/UL 864/CE/EN14604/EN54/FCC. Key specs: Multi-Sensor Fusion (Smoke + Heat + CO) + AI Machine Learning Algorithm + 4G LTE + WiFi Dual Communication + Edge Computing, 4G LTE Cat.1 + WiFi + AI Cloud Pla···

3V lithium battery powered direct from Wanlin Fire Protection — 12-year factory experience, WL-SFP400 smart fire detector certified CE/EN14604/EN54/UL217/UL268/FCC/QCVN. 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 + Relay ···