four wire connection

remote monitoring platform direct from Wanlin Fire Protection — 12-year factory experience, WL-SFP500 smart fire detector certified CE/EN14604/EN54/UL217/UL268/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 Push + Pre···

Multi-Sensor Fusion China manufacturer. Smart fire safety products: smoke detectors, fire alarm systems, IoT fire platform, perfluorohexanone suppression. CE, UL, EN54, NFPA certified. OEM/ODM, wholesale, global shipping to Chile. Contact: wanlinfirecontrol@163.com