1The cleaning tank is made of highquality antirust stainless steel material, which is durable and has a longer service life 2The washing machine adopts antileakage technology, so there is no need to worry about water seeping into the machine or damaging it 3With 3 minutes of quick cleaning and 5 minutes of powerful cleaning, there is no need to soak for a long time, which is cleaner, safer and less timeconsuming than hand washing 4Using ultrasonic technology, 48K Hz frequency, strong penetrating power, so that the solution penetrates into the contact lens, breaks the bond between the residue and the lens, and removes 90% of the residue on the lens 5Compact appearance, available in 3 styles for choices: blue, pink and purple, can meet different needs, Item Type: Micro Ultrasonic Cleaner Material: ABS, stainless steel Model: MK-180 Ultrasonic Power: 7W Ultrasonic frequency; 48000Hz Input Voltage: DC5v Inner Tank Size: Approx. 38 x 20 x 10mm / 1.5 x 0.8 x 0.4in Capacity: 4ml 1 x Washing Machine 1 x Power Cord 1 x Tool Box 1 x Glasses Case 1 x Nursing Liquid Bottle(Empty bottle) 1 x Tweezers 1 x Stick 1 x User Manual