The most economical Corning hot plate, the PC-170 is an efficient choice for your heating needs. Its compact 5 x 5 inch design minimizes wasted bench space and features a white enameled steel top for maximum heat conduction. Operates on 120V/60Hz to meet needs in North America and other locations with similar requirements. Dual heat shields ensure the outer case remains cool to the touch. UL/CUL approved. One-year warranty.