backup power auto switch

2.4GHz wireless direct from Wanlin Fire Protection — 12-year factory experience, WL-SFP200 smart fire detector certified UL 217/UL 268/UL 2034/UL 864/CE/EN14604/EN54/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/Em···

spring terminal direct from Wanlin Fire Protection — 12-year factory experience, WL-SFP700 smart fire detector certified CE/EN14604/EN54/UL217/UL268/FCC/QCVN. Key specs: ARM Cortex-A7 Processor + 4G LTE Cat.1 + WiFi + Ethernet + Zigbee + Bluetooth + Cloud Platform Integration, 4G LTE Cat.1 + WiFi + Ethernet + Zigbee + Bluetooth + IoT Cloud Platform + API/SD···