Features:
•  Appearance: imitation qing hip flask appearance design;
•  Waterproof touch switch design, experience better, more security;
•  Light night vision draft, easy to observe water change
•  One-piece tank - structure: unique design (patent for utility model);
•  Design of the one-piece aluminum fog (the patent for utility model);
•  Touch-key design;
•  Tank filled with water alarm prompt (patent for utility model);
•  The overall appearance without screw design.