It's great for business、 commercial or household use. You can clean your fine jewelry、 eyeglasses、 circuit boards、 headwear、 brooch、 pen、 CD、 toothbrush、 exact instruments、 etc. with this ultrasonic cleaner.Features:Mini ultrasonic cleaner 0.5" LED display.It can clean all sides of the objects which contact with the liquid、 specially affecting on the objects which have complex shape and more holes.Remove dirt、 dust、 grease from the tiniest of places using ultrasonic technology.Easy and convenient for business、 commercial or household use.The shell and the water tank material can prevent corrosion.Suitable for cleaning jewelry、 eyeglasses、 circuit boards、 headwear、 brooch、 pen、 CD、 toothbrush、 exact instruments、 etc.Specifications:Color: YellowMaterial: Plastic + Stainless SteelDisplay: LEDPower Supply: AC 220V 50HzTank Capacity: 600mlPower: 30W/50W OptionalOperating Frequency: 40-80 KHzWorking Time: 0-99 MinutesDimensions18.5 * 14.5 * 9cm / 7.3 * 5.7 * 3.54in (L * W * H)Item Weight: 586g / 20.68ozPackage Size: 21.5 * 16 * 12cm / 8.46 * 6.3 * 4.72in (L * W * H)Package Weight: 738g / 26.05ozPackage List:1 * Mini Ultrasonic Cleaner1 * EU Plug Adapter1 * User Manual (English)