battery room smoke detector

Wanlin Fire Equipment by Wanlin - China's leading source manufacturer of 2-in-1 smoke and CO alarm. Smart smoke detection with 4G/NB-IoT/WiFi/LoRa connectivity, remote monitoring, cloud platform, 10-year battery. OEM/ODM. ISO 9001. CE FCC RoHS UL EN54 EN14604 certified. Contact +8613261677119.