best smoke detector for home — Wanlin, 12-year Chinese smart fire detector manufacturer, WL-SM603 (WiFi Smart Photoelectric Smoke Detector) certified UL/CE/EN54. Photoelectric + WiFi 6 + App Control + Voice Alert + 10-Year Battery. 10-year battery, 4G/NB-IoT/LoRaWAN, OEM/ODM from 500 units, factory direct pricing 50-70% below Western brands.

custom voice 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 + Remote Monito···