Corning 6795-620D PC-620D Digital Stirring Hot Plate with 10" x 10" Pyroceram Top, 40.1cm Length x 26.9cm Width x 12.2cm Height, 5 to 550 Degree C, 120V/60Hz Hotplate has U.S. three-prong plug, and works with 120V/60Hz power source Digital LED display of stirring speed in revolutions per minute (rpm) or temperature (degrees C), and an illuminated power indicator; temperature display blinks until set temperature is reached Glass-ceramic plate surface for scratch, corrosion, and chemical resistance, and cleaning ability; part of two-piece casting design that deflects spills away from electrical area, and includes built-in rod mount support Comes in a variety of stirring speeds (+ or - 5% of set speed), and sizes, and can come with a stirrer apparatus Microprocessor maintains consistent and repeatable temperature settings of 5 to 550 degrees C (+ or - 2 degrees C), adjustable in 5-degree C increments, with flashing indicator that blinks until set temperature is reached