wireless fire alarm retrofit

Wireless Fire Alarm Retrofit — Wanlin, a Chinese fire protection products and application equipment manufacturer and exporter based in Shenzhen, China, supplies the A119-YW line across photoelectric smoke detectors, A1R / A2S heat detectors, resettable and weatherproof manual call points, EN 54-3 and EN 54-23 sounder strobes, the 860 addressable fire alarm ···

tunnel fire safety — Wanlin, 12-year Chinese smart fire protection manufacturer, WL-SFP100 (Smart Photoelectric Smoke Detector) certified UL/FM/CE/EN54/NFPA 72. Dual-Wavelength Photoelectric + 4G LTE Cat.1 + IoT Cloud. OEM/ODM from 500 units, factory direct pricing 50-70% below Western brands, 60+ countries.