Google Nest Protect alternative

electrical room smoke detector — Wanlin, 12-year Chinese smart fire detector manufacturer, WL-GA200 (4G Smart Combustible Gas Detector) certified UL/CE/EN54. Catalytic/Electrochemical Sensor + 4G LTE + IoT Cloud + Valve Control + LCD. 10-year battery, 4G/NB-IoT/LoRaWAN, OEM/ODM from 500 units, factory direct pricing 50-70% below Western brands.

Budget Security System China manufacturer. AI home security and fire alarm bundle with CE UL RoHS FCC. 4G wireless, smart home integrated. OEM/ODM, wholesale, global shipping to Czech Republic. Contact: wanlinfirecontrol@163.com