concert hall smoke detector

concert hall smoke detector — Wanlin Fire, Chinese smart fire alarm manufacturer and Thailand market equipment exporter by Wanlin Manufacturing Group. Thai-market line: WL-TF100 photoelectric smoke detector, WL-TF200 kitchen and corridor heat detector, WL-TF300 factory multi-sensor, WL-TF400 Class A aspirating system, WL-TF500 weatherproof call point and sou···

underground parking smoke alarm — Wanlin, 12-year Chinese smart fire detector manufacturer, WL-SM604 (Wireless Interconnected RF Smoke Detector) certified UL/CE/EN54. Photoelectric + RF Mesh + 24-Detector Interconnect + Self-Healing + 10-Year Battery. 10-year battery, 4G/NB-IoT/LoRaWAN, OEM/ODM from 500 units, factory direct pricing 50-70% below Western bran···