Mini Digital Ultrasonic Cleaner Jewelry Eyeglass Cleaning MachineFeatures- Adopt microcomputer control with humanization design, the cleaning effect is more obvious.- 5 kinds of working time frequency range optional: 180s, 280s, 380s, 480s, 90s.- Large capacity stainless steel cleaning tank, durable to use.- Visible view window makes it easier to see machine work.- Comes with plastic basket and watch holder, convenient and practical.- LED display screen for clearly reading the numerical value of the working time.- The time can be set and adjusted to meet different needs, the time countdown shows during the cleaning process.- Ideal for jewelry shops, eyeglasses shops, watch and clock shops, dental clinics, mobile phone shops, office and household use.- Available for cleaning the objects, such as rings, necklaces, earrings, bracelets, silverware, bronze ware, eyeglasses, sunglasses, optical lenses, watches, dentures, machine nozzles, printer inkjet-heads, seals, ancient coins, badges, valves, tattoo instruments, piercing, etc.ParameterUltrasonic frequency: 40000HzCapacity: 600mlTime control: 3 minutes to an hour adjustablePower supply voltage: AC 220 - 240V, 50HzPower: 35WDefault working time: 180sPower cable voltage: 250V 2.5ACable line length: about 1.3mThe cleaning tank size: 15.5 x 9.5 x 5.2cm1.196 Package weight: 1.248 kgProduct size (L x W x H): 20.00 x 14.00 x 12.50 cm / 7.87 x 5.51 x 4.92 inchesPackage size (L x W x H): 25.00 x 18.00 x 16.50 cm / 9.84 x 7.09 x 6.5 inchesPackage Contents: 1 x Ultrasonic Cleaner, 1 x Plastic Basket, 1 x Watch Holder, 1 x English User Manual