iSonic Ultrasonic Cleaner P4831. Control panel on top. Durable, reliable, resistant to water and harsh chemicals. . 30-minute full range timer, 5 temperature settings, and actual temperature thermometer. 100W ceramic heater. Multiple circuit protectors. 2 cooling fans. When overloaded or improperly used, the protectors shut down the power to certain areas to protect the machine. Stainless steel tank. Tank Capacity: 3L / 3.2qt. Tank Size: 9.8" x 6.9" x 3.1". Unit Size: 17.5" x 10.8" x 8.1".