OH- purification technology, using water as raw , quickly degrades into harmless substances, and kills microorganisms through oxidation reaction. Remove residues, kill , can be used for fruits & vegetables, seafood, meat, grains, , kitchen utensils, etc. IPX7 waterproof, no leakage, to use. 5V DC, no direct contact with strong electricity, safe and stable, long service life. 4000mahlarge-capacity battery, long-lasting battery life, default 10min each time, fully can be used 25 . Palm size, easy to . Perfect for personal essentials or family dorm trips.Flexible rotation, easy to disassemble and clean.both children and elderly can use it. Colour:green : PC Package Contents: 1 x fruit and vegetable purifier 1 x USB cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.