Wanlin 4G gas alarm manufactured by Wanlin Fire Control - professional 4G gas detector with catalytic/infrared/electrochemical sensing technology. 4G Cat.1 connectivity, integrated solenoid valve control, EN50194/GB15322 certified, 85dB+ alarm. CE/RoHS/FCC compliance. Factory-direct pricing, global shipping, complete export documentation. OEM/ODM available. ···
kitchen gas alarm user manual direct from Wanlin Fire Protection — 12-year factory experience, WL-GA207 fully certified CE/EN54/FCC/RoHS. Key specs: 4G LTE Cat.