The BPI Electric Frame Warmer is a stand-alone unit designed for the countertop. It is a bead type frame warmer with an all stainless steel construction. The power control allows a temperature range of 130 to 230F. (54 to 110C). The temperature control dial has three main settings, these correspond to: HIGH setting will reach approximately 230 F. (110C) MEDIUM setting will reach about 190 F. (88C) LOW setting will reach approximately 130F. (54C)The low setting is used for most plastic frames. Other settings in between HIGH, MEDIUM, and LOW will allow other temperatures to be set. The unit is not restricted to the 3 main settings. The instrument is made from UL (US Underwriters Laboratory) components. 6.75 x 11.25 x 8.25 inches. (17.14 x 28.6 x 20.95 cm)10lbs (4.5 kg)