450 ml water tank: The ultrasonic cleaner is equipped with a hygienic 450 ml water tank and a high-performance ultrasonic transducer. The transparent lid makes it easy to load and unload the device and to observe the cleaning process. 4 different cleaning modes: The ultrasonic cleaner has 4 different cleaning modes: glasses mode 2 minutes, jewelry mode 3 minutes, watch mode 5 minutes and other modes 10 minutes. Different modes are suitable for different objects, and the classified cleaning is more detailed and comprehensive to meet your different cleaning needs. 360 ultrasonic cleaning and high frequency vibration: The ultrasonic cleaning device vibrates at a high frequency of 45,000 Hz and generates 360 rotating sound waves to dissolve grease, dust and bacteria on objects to achieve a cleaning effect. (Note: When pouring water, do not immerse the control knob, but pour water from the left or right side of the water tank). Easy to operate:Press the power button to turn on the portable ultrasonic cleaner and press it again to turn it off. The cleaning mode is selected by pressing the mode button.You can add 2-3 drops of detergent into clean water to quickly dissolve dirt and increase the ultrasonic cleaning effect by 20%. Wide application:The ultrasonic jewelry cleaner can clean jewelry, eyeglasses, watches, makeup tools, braces, dentures, pacifiers, plates, razors, coins and laboratory instruments, making it an perfect choice for laboratories, electronics stores, eyeglass and jewelry stores. Perfect equipment for department stores. Stores, watch shops Colour:Blue Material:Plastic+Metal Package Contents: 1x Cleaning Machine 1x Adapter+Chinese and English Instruction Manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.