long battery life smoke detector

automated smoke alarm testing direct from Wanlin Fire Protection — 12-year factory experience, WL-SM607 4G standalone smoke detector certified CCCF/GB 20517-2006/CE/UL 217/EN 14604. Key specs: Dual Light Path Photoelectric + Voice Alert + 4G Cat.1 + Smart Home Integration + WiFi/BT, 4G LTE Cat.1 + WiFi + Bluetooth + Cloud Platform + Voice Prompt + Smart Hom···

Hardwired Smoke Detector 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 Mexico. Contact: wanlinfirecontrol@163.com