apartment smoke detector

EN 54 smoke detector EN 54-7 Addressable Optical Smoke Detector export OEM ODM wholesale

Malaysia apartment smoke detector — Wanlin, 12-year Chinese smart fire detector manufacturer, WL-CO801 (NB-IoT Carbon Monoxide Detector) certified UL/CE/EN54. Electrochemical CO + NB-IoT + Ultra-Low Power + 10-Year Battery + Cloud. 10-year battery, 4G/NB-IoT/LoRaWAN, OEM/ODM from 500 units, factory direct pricing 50-70% below Western brands.

sensor life monitoring direct from Wanlin Fire Protection — 12-year factory experience, WL-SFP100 smart fire detector certified UL 217/UL 268/UL 2034/UL 864/CE/EN14604/EN54/FCC. Key specs: Dual-Wavelength Photoelectric Sensing + Infrared Scattering Chamber + 4G LTE Cat.1 Cellular Communication, 4G LTE Cat.1 + IoT Cloud Platform + SMS/Push/Email Alerts + Remo···