subway fire protection

Subway Fire Protection — Wanlin, a Chinese consumer fire-safety manufacturer and exporter based in Shenzhen, China, offers a full SD 4-pack smoke detector line (SD-100 to SD-900) covering WiFi photoelectric smoke detectors, dual-sensor smoke + heat detectors, RF 433 MHz interconnect smoke detectors, smoke + CO combo detectors, WiFi smart-home smoke detector···

natural gas detector direct from Wanlin - 12-year factory experience, WL-SFP800 smart fire detector certified UL 217/UL 268/UL 2034/UL 864/CE/EN14604/EN54/FCC. Key specs: Photoelectric Smoke + RF Wireless Interconnect + Mesh Network + Self-Healing, RF Wireless Mesh + 4G LTE Cat.1 Gateway + Cloud Platform + SMS/Push/Email + Voice Alert. Smart fire IoT cloud p···