Aucma Ultrasonic Cleaner Professional Ultrasonic Jewelry Cleaners with Digital Timer for Jewellery Eyeglasses Lenses Necklaces Watches Rings Denture Coins, 20 Oz (Grey)

Aucma Professional Ultrasonic Cleaner is a good maintainer for your jewelry, watches, eyeglasses and other objects that can be cleaned. Simply fill the tank with water, the high frequency pressure (sound) waves up to 42000 HZ agitate the liquid to achieve the cleaning effect, which can penetrates blind holes, cracks, and recesses to thoroughly clean the contamination that can not be cleaned by your hand operation. This process will not cause any scratching or destroy on your items. Special Features: Spacious basket to hold varied items Auto shut off after every selected cleaning time Noise-free mode of operation Digital display with 5 preset cleaning time cycles (180s, 280s, 380s, 480s, & 90s) allows you to chose according to different contamination of different objects Built-in removable basket helps you gather some small items, which is very convenient to clean Package Contents: Ultrasonic Cleaner Cleaning Basket Instruction Manual Tank Capacity: 20 oz. (600 ml) Cleaning Cycles: 5 Presets - 90/180/280/380/480 Seconds Tank Material: Stainless Steel Power Input: AC 110V, 60Hz, 50w Ultrasonic Frequency: 42,000 Hz Automatic Shut Off: Yes Dimensions (Internal): 6.1 (L) X 3.9 (W) X 2.1 (H) Inches Dimensions (External): 7.9 (L) X 5.2 (W) X 4.9 (H) Inches