Specification: Item Type: Ultrasonic Washer Material: stainless steel Capacity 0.9L Inner tank size (mm) (approx.) 168 x 94 x 67 mm/6.6 x 3.7 x 2.6 inches Size (mm) (approx.) 176 x 115 x 125 mm/6.9 x 4.5 x 4.9 inches Package size (mm) (approx.) 236 x 163 x 165 mm/9.3 x 6.4 x 6.5 inches Voltage AC: 110V/60Hz/220V/50Hz Shake head 2 Ultrasonic power 55W Ultrasonic frequency 42KHz Time control (minutes) Digital LCD control 90S-30Min Cleaning basket with Noise protection hood With How to use: 1. Fill at least 2/3 of the stainless steel water tank with detergent. Depending on your cleaning needs, it is recommended that you use a small amount of cleaning solution as this will improve performance. 2. Remove the spare parts to be cleaned as much as possible and use a high pressure spray gun, wire brush, scraper or other tools to remove dirt, carbon buildup, etc. to extend the life of the cleaning solution and ensure the cleaning speed and performance . 3. Place the accessories to be cleaned in the water tank so that they are completely submerged, but try not to overlap. 4. Start ultrasonic cleaning 5. To increase the cleaning effect, you can add an appropriate amount of cleaning agent to the solution or extend the cleaning time. 6. The machine stops working after 45 minutes of continuous work and can resume working after a 4 minute break. 7. The machine has an air removal function. Long-term use of cleaning fluid can activate this feature which can clean cleaner Package List: 1 x washing machine 1 x cover 1 x cleaning net 1 x plug 1 x user manual