[High efficiency]--Design pressure 0.5Mpa:1.Hydrogen production in 5 minutes at a time, concentration up >2200ppb 2.Hydrogen production in 10 minutes at a time, concentration up >3300ppb [Cavity Splitting technology complete hydrogen and oxygen separation]--1.Platinum titanium electrode ion vacuum plating 2.Platinum proton exchange membrane 3.Multi-layer pressure protection  4.Using BEKAERT Titaniunm fiber felt sheet [Safeand reliable]Food-gradeTRITAN material, ultra-micro electrolysis, without dissolution and corrosion