1The ultrasonic frequency of this device is 42000Hz, which makes high efficient cleaning with super power 2Adopt humanized design, simple and convenient to operate 3Three - minute timing design, automatically closed after time, convenient and user-friendly. 4. The cleaner device cover can reduce sound levels effectively 4The tank is made of high-grade material-stainless steel, which makes it be more durable, corrosion-resistant and also heat-resistant 5 Transparent top cover, you can see the cleaning situationThe ultrasonic frequency of this device is 42000Hz, which makes high efficient cleaning withsuper power. The tank is made of high-grade material-stainless steel,which makes it be more durable, corrosion-resistant and alsoheat-resistant. So, what are you waiting for? This is absolutely aperfect product for you. Don't miss such a good chance. Features: 1. The ultrasonic frequency of this device is 42000Hz, which makes high efficient cleaning with super power. 2. Adopt humanized design, simple and convenient to operate. 3. Three - minute timing design, automatically closed after time, convenient and user-friendly. 4. The cleaner device cover can reduce sound levels effectively. 5. The tank is made of high-grade material-stainless steel, which makes it be more durable, corrosion-resistant and also heat-resistant. 6. Transparent top cover, you can see the cleaning situation. 7. This device is durable that can withstand high impact and it comes with cleaning basket and watch holder. 8. Can be used on lab tools, instruments and fittings, glasses,watchbands, waterproof watches, household hardware, pen heads, printerheads etc. Specification: Type: Jewelry Watch Cleaner Tank Material: Stainless Steel Color: Steel Gray Power Plug: EU Voltage: 220V Tank Capacity: 600ml / 1 pint Ultrasonic Frequency: 42000Hz Size: Approx. 20 * 14 * 12.5cm / 7.9 * 5.5 * 4.9inch Weight: Approx. 1200g Package list: 1 x Jewelry Watch Cleaner 1 x Cleaning Basket 1 x Watch Holder