4G combustible gas alarm

China fire protection equipment manufacturer and export supplier for global partners. Wanlin Fire supplies the WANLIN-303 standalone 433 MHz smoke detector, the WANLIN-307 and WANLIN-309 wireless smoke detectors in LoRaWAN, 4G and NB-IoT versions, the WANLIN-340 heat detector, WANLIN-222 manual call point, WANLIN-656 sounder strobe, WANLIN-705 smart electric···

commercial gas alarm wholesale direct from Wanlin Fire Protection — 12-year factory experience, WL-GA202 fully certified CE/EN54/FCC/RoHS. Key specs: NB-IoT + WiFi Dual Mode, Ultra-low power NB-IoT with 5-year battery life for standalone deployment. MOQ 100 sets, 20-25 working days, OEM/ODM custom branding available. Serving 60+ countries across Southeast As···