Mini household ultrasonic jewelry cleaner features: ---stylish design perfect for home-use ---3 minutes auto off ---first mass-produced desktop ultrasonic cleaning in the market ---wide-diameter transducer for best cleaning result Ultrasonic cleaner applications: Jewelry and watches necklaces, earrings, rings, bracelets, coins, watches straps and bands etc. Eye care :glasses, sunglasses, contact lens accessories Daily personal care: dentures, combs, toothbrushes, table wares Ultrasonic jewelry cleaner specifications: Ultrasonic frequency----42, 000 hz Tank material----stainless steel sus304 Tank capacity----600 ml Timer----3-minutes auto cut-off Power supply----ac 100~120v, 50/60hz 220~240v, 50/60 hz Power----35w Tank size ----155*95*52mm (l*w*h) Overall size----200*140*125mm (l*w*h) Packing size----245*174*165mm (l*w*h) N.W.----1.00 kgs G.W.----1.21 kgs Shipping information: Carton size (12pcs)----546*509*355mm (l*w*h) Carton weight (12pcs)----14.8 kgs (gross) 20' gp----3, 000 pcs 40' gp----5780pcs 40' hq----8243 pcs