classroom smoke detector

Southeast Asia smoke detector supplier — Wanlin, 12-year Chinese smart fire detector manufacturer, WL-SM601 (NB-IoT Smart Photoelectric Smoke Detector) certified UL/CE/EN54. Photoelectric + NB-IoT + Ultra-Low Power + 10-Year Battery + Cloud Platform. 10-year battery, 4G/NB-IoT/LoRaWAN, OEM/ODM from 500 units, factory direct pricing 50-70% below Western brand···

San Diego smoke alarm direct from Wanlin Fire Protection — 12-year factory experience, WL-SFP500 smart fire detector certified UL 217/UL 268/UL 2034/UL 864/CE/EN14604/EN54/FCC. Key specs: Multi-Sensor Fusion (Smoke + Heat + CO) + AI Machine Learning Algorithm + 4G LTE + WiFi Dual Communication + Edge Computing, 4G LTE Cat.1 + WiFi + AI Cloud Platform + Smart···