【Health and safety】OH- purification technology, using water as raw material, quickly degrades pesticides into harmless substances, and kills virus microorganisms through oxidation reaction. 【Wide use】Remove pesticide residues, kill bacteria, can be used for fruits & vegetables, seafood, meat, grains, tableware, kitchen utensils, etc. 【Safety Protection】IPX7 waterproof, no leakage, safer to use. 5V DC, no direct contact with strong electricity, safe and stable, long service life. 【Wireless design】 4400mah large-capacity battery, long-lasting battery life, default 10min each time, fully charged can be used ≥20 times. 【Food preservation】IIt can prolong food preservation time, preservation effect is better. 【Portable & compact】 Palm size, easy to store. Perfect for personal essentials or family dorm trips. 【Easy to use】Flexible rotation, easy to disassemble and clean.both children and elderly can use it.