family fire protection — 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.
Singapore smoke detector market direct from Wanlin Fire Protection — 12-year factory experience, WL-SM600 4G standalone smoke detector certified CCCF/GB 20517-2006/CE/UL 217/EN 14604. Key specs: Dual Light Path Photoelectric Sensing + 4G Cat.1 Cellular Communication + Maze Sensor Structure, 4G LTE Cat.1 + Cloud Platform + SMS/Push/Email Alerts + Remote Moni···