Kendal Commercial grade 780 watts 5.55 gallon heated ultrasonic cleaner HB821 8 x strengthened transducers make the ultrasonic more powerful (42 KHz and 480 Watts ultrasonic cleaning power) and provides remarkable cleaning results. Large tank -- Suitable for long and large items. Tank Size: 19.5" (L) x 12" (W) x 6" (H). Tank working Capacity: 21 Liter (5.55 gallon). Heater -- Powerful heater (300 watts) makes the temperature reach the presetting one quickly -- significantly enhance cleaning. Digital program cleaning cycles ranging from 1 to 99 minutes--easy to operate. Digital temperature control with temperature ranging from 20 to 80 degree in Celsius (68 to 176 degree Fahrenheit). Drains with flow control valve for easy cleaning and rinsing. Power Supply: AC 100-120V 60 HZ.