best smoke alarm for apartment

Wanlin Fire Control — China's leading source manufacturer of dental office smoke alarm. 4G/NB-IoT/LoRa wireless smoke, gas, and CO detectors with CE/UL/EN certification. OEM/ODM, cloud monitoring, factory-direct pricing. Contact +8613261677119.

PSE certified direct from Wanlin Fire Protection — 12-year factory experience, WL-SFP300 smart fire detector certified CE/EN14604/EN54/UL217/UL268/FCC. Key specs: Addressable Fire Alarm Control Panel + Loop Controller + 4G LTE Cat.1 + Touchscreen Display + CAN Bus, 4G LTE Cat.1 + IoT Cloud Platform + Addressable Loop (252 devices/loop) + RS485 + Modbus + BAC···