Description:The design of the ultrasonic washing machine takes into account the convenience and comfort of use. The diameter is 9CM / 3.54 inches, which does not take up space. Small size, can be put away when not in use. Suitable for personal travel, business travel, summer clothes and personal laundry put it in the bucket, bathroom sink, kitchen sink and let the ultrasonic remove the dirt. Specification:Name: Mini Washing Machine Material: PP+TPR Valve: White Power Supply: USB Temperature Control Device: Single Limit Switch Input Voltage: 5V Output Voltage: 12V Rated Voltage: 18W Diameter: About 9cm (3.54 inch) Packing List: Mini Washing Machine *1Note: Due to the lighting effects and shooting angles, there is color difference in the product, please understand. Due to manual measurement, there is a tolerance in the size of the product.