industrial gas alarm UL certification

household gas alarm price direct from Wanlin Fire Protection — 12-year factory experience, WL-GA207 fully certified CE/EN54/FCC/RoHS. Key specs: 4G LTE Cat.1 + LoRa, Plug-and-play 4G gas alarm for nine-small venues — no wiring, no gateway, instant deployment. MOQ 100 sets, 20-25 working days, OEM/ODM custom branding available. Serving 60+ countries across ···

restaurant gas alarm manufacturer recommended 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 acr···