Deep ultrasonic cleaning:Ultrasonic cleaning machine uses 42000Hz high-frequency sound waves to dislodge contaminants from any surface. The ultrasonic cleaning machine can cover 360° to remove stubborn dirt. One-touch control:Ultrasonic cleaning one-button control easily controls three cleaning modes (1-min quick cleaning, 3-minute standard cleaning, or 5-minute deep cleaning) Low noise design:Sonic jewelry cleaner produces noise less than 50dB when working, creating a quiet working environment,effectively avoid noise disturbance. Wide range of applications:Ultrasonic cleaning machine has a large capacity of 450ml capacity which is enough to clean eyeglasses, rings, necklaces, silver, makeup brushes, delicate jewelry, and other items Portable size for travel:jewelry cleaner easy to carry wherever you go.sonic cleaner will become the partner in travel. DK SONIC is a professional manufacturer of ultrasonic cleaners and has focused on the R&D of ultrasonic cleaners for more than 10 years. DK SONIC always bears in mind the "quality first, credit first" principle and tries to provide perfect products and great after-sales service. Specifications Tank Material: Stainless Steel SUS304 Ultrasonic Power: 24W Frequency: 42kHz Power Supply: AC110V/60Hz Tank Capacity: 450 ML Time Setting: 1min-3mins-5mins (LED Digital Display) Tank Size (L x W x H): 168*80*40 mm/6.6*3.1*1.6 in Product Size (L x W x H): 207*106*58 mm/8.1*4.2*2.3 in Package Contents 1 x Ultrasonic Cleaner 1 x Cleaning Basket 1 x Stainless Steel Cover 1 x Power Supply 1 x Instruction Manual