This professional 6 quart stone heating unit maintains a constant, even temperature so your massage stones are always ready to use. This is an ideal unit for both hot stone massage and warm stone massage. The Stone Heater is very easy to use. Fill the bowl with cold water and adjust the temperature desired for your treatment. Maintain the temperature via the temperature gage until your treatment is complete. The heater is made of stainless steel, and the lid is made from aluminum, which makes it long lasting, rust free, and over all efficient. When you buy this heater, a free additional spoon to remove the stones from the water will be included.• Dimensions：15"x11"x7",750 watt, holds 6 quarts of water, capacity of 40-60 stones• Microcomputer Temperature Control, Push-Bottom to Controlled the Temperature.• Digital Display Shows Current Temperature and Target Temperature.• Celsius(℃) and Fahrenheit( Degree) convertible.Heat temperature to 65 Celsius(℃)/150 Fahrenheit( Degree) with ease.• Holds 6 quarts of water, capacity of 42 stones, removable water reservoir.Free additional spoon to remove the stones from the water will be included.