Thermo Scientific HP194825 Cimarec Analog Basic Hot Plate with 7.25" x 7.25" Ceramic Heating Plate and Integral Ring-Stand Holder, 11.1" Length x 8.3" Width x 5" Height, 150 to 538 Degree C, 120V/60Hz Temperature range of 150 to 538 degrees C (302 to 1,000 degrees F) White ceramic top plate for fast heating and resistance to chemicals and scratches Analog temperature control with knob Integrated ring stand mount holds a 1/2-inch diameter rod (sold separately) Cast aluminum body directs liquid away from internal components in case of spillage