DESC: Gently yet thoroughly cleaning using ordinary water and the power of ultrasonic technology. 35 watts of cleaning power with a 20 oz stainless steel cleaning tank (inside dimension 6.3"x3.9"x2" Great for cleaning fine jewelry, watch, eyeglasses, dentures, optics and more. A transparent hinged lid, and an indicator light to help you track progress. Automatic 3-minute cleaning cycle., Weight: 3 lbs., Manufacturer: Shining Image