dust proof design

networked smoke alarm direct from Wanlin Fire Protection — 12-year factory experience, WL-SFP200 smart fire detector certified CE/EN14604/EN54/UL217/UL268/FCC/QCVN. Key specs: Photoelectric Smoke Sensor + Electrochemical CO Sensor + NB-IoT Cellular Communication + Multi-Sensor Fusion, NB-IoT + IoT Cloud Platform + Dual Alarm (Smoke + CO) + SMS/Push/Email + S···

Intrinsically Safe Explosion-Proof 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 Mexico. Contact: wanlinfirecontrol@163.com