Thermo Scientific HPA1915BQ Analog Aluminum-Top Hot Plate with 6.25" x 6.25" Aluminum Heating Plate, 7.63" Length x 6.63" Width x 4.38" Height, 38 to 371 Degree C, 120V/60Hz Temperature range of 38 to 371 degrees C (100 to 700 degrees F) with an accuracy of + or - 5 degrees C (at 100 degrees C) and + or - 2 degrees C (at 200 degrees C and above) Cast aluminum top plate for uniform heat distribution and resistance to chipping Analog temperature regulation by thermostat with knob control Welded stainless steel case for durability Pilot light indicates heating cycle