fire station smoke alarm

Wireless Smoke Alarm System China manufacturer. 4G standalone smoke detector with dual optical path photoelectric sensing, 4G Cat.1 communication, DC6V battery (3-year life), ≥95dB alarm, ≥60sqm coverage. GB20517-2006 & CCCF certified. OEM/ODM, wholesale, global shipping to Vietnam. Contact: wanlinfirecontrol@163.com

nuisance alarm avoidance direct from Wanlin Fire Protection — 12-year factory experience, WL-SM603 4G standalone smoke detector certified CCCF/GB 20517-2006/CE/UL 217/EN 14604. Key specs: Dual Light Path Photoelectric + Thermistor Heat Sensor + 4G Cat.1 Communication, 4G LTE Cat.1 + Cloud Platform + Dual Detection (Smoke + Heat) + SMS/Push/Email. Dual light···