1.Can replace hydrogen high-pressure cylinder, safe and reliable, no need to carry back and forth, boot immediately produce hydrogen, flexible and convenient2.Low maintenance costs, normal use only need to add pure water can be used continuously3.Digital display hydrogen production, easy to observe the working state of the instrument and fault judgment4.large capacity water storage, so that a water can be up to several days of continuous uninterrupted operation5.The purification tube of the one-time drawing mold reduces the leakage point and more likely protects the reliability of the instrument6.Two check valves, double protection to prevent the instrument from returning liquid