Features Details ?PREMIUM QUALITY?- CE, FCC and RoHS Approved.Ultrasonic parts cleaner is made of 304 stainless steel, which is corrosion-resistant and rust-proof and does not leak water. This professional ultrasonic cleaner is expert in cleaning, maintenance, oxidation, extraction, cavitation and more, which makes the digital cleaning machine accommodate users' different needs. A spare fuse is provided in case of over-current. ?DEEP CLEANING? - Industrial grade ultrasonic transducers built into the sonic cleaner increase ultrasonic power. The cleaning frequency of 40kHz can remove stains on items in a few seconds without damaging the items. Extra-thick 0.04 in (1.1 mm) stainless steel tank with 0.53 Gal. (2L) volume, durable and sturdy to last for years to come. ?DIGITAL CONTROL PANEL?- Time setting: 0-30mins. Sonic jewelry cleaner features a digital timer display for precise washing time control. Please bear in mind that lower frequencies lead to better cleaning result, but it comes with louder noises, better used for objects with flat surfaces. Higher frequencies come with lower noises and weaker cavitation effects, great for cleaning smaller objects with small holes, grooves etc. Max size of washable product: 3.9 x 3.5 x 2.8 in / 100 x 90 x 70 mm ?USER-FRIENDLY DESIGN? - This commercial ultrasonic cleaner is designed for better customer use, featuring humanized details. Four anti-skid rubber feet keep the machine stable during operation. The dual fuse protection and multiple cooling holes are provided to avoid over-current. The integrated cleaning basket is perfect for keeping your jewelry, glasses, PC boards, razors, carburetor, watches in place. ?WIDELY USED?- This portable ultrasonic cleaner is suitable for many fields--Professional Use:Medical and Dental Clinics, Tattoo Shops, Scientific Labs and Golf Clubs. Jewelers, Opticians, Watchmakers, Antique Dealers and Electronics Workshops etc. Personal or Home Use:Jewelry: Earrings, Necklace, Rings, Bracelets and Diamonds. Glasses and Timepieces: Glasses, Sunglasses, Optical Lenses, Contact Lens Accessories, Watch Chains and Waterproof Watches.