The Corning PC-420D stirring hot plate has a 5” x 7” (12.7 x 17.8cm) Pyroceram top and digital temperature and stirring speed displays. Designed to operate on 120V/60Hz with standard US three-prong plug for use in North America and other areas with similar electrical requirements. A Model PC-420D is shown to the left with optional temperature controller and support rod (Cat. No. 440129). Both products can be purchased separately or as part of an accessory kit (Cat. No. 6795KIT).