Thermo Scientific SP142025Q Cimarec Digital Stirring Hot Plate with 7.25" x 7.25" Aluminum Platform, 13" Length x 8.25" Width x 3.88" Height, 5 to 300 Degree C, 120V/60Hz Temperature range of ambient to 300 degrees C is adjustable in 5-degree increments Cast aluminum top plate for uniform heat distribution and resistance to chipping Digital display and temperature regulation by microprocessor with knob control for consistent, repeatable temperature settings Speed range of 60 to 1,200 rpm Hot top warning light helps prevent accidental burns