Eliminate condensation on your bathroom mirror with this Original ClearMirror defogger heating pad. MIRROR NOT INCLUDED. Available in three sizes, this thin heating pad that adheres to the back of your mirror is powered by the same circuit as your bathroom light fixture, fan, or even a separate switch. The size of the heating pad determines the area of the mirror that will remain fog free. When turned on, the pad heats up preventing fog on the surface of the mirror. Easy to install and tested for longevity, the Original ClearMirror defogger is UL and C-UL listed, tested to CSA international standards, and is New York City compliant. Please note: Not for permanent mirror installations or exterior walls. SHIPPING INCLUDED - see below. Sizes Available: 12" x 12", 14" x 14", and 20'' x 20'' Standard voltage is 110/120-volt Dual Lead: Two thin wire leads for hanging mirrors or mirrors installed with clips Click here for Original ClearMirror INSTALLATION INSTRUCTIONS (requires Adobe Acrobat Reader). SHIPPING: UPS ground shipping included (continental USA only). Contact us toll free at 1.877.868.1369 for foreign shipping quote. Drop ships directly from manufacturer 1-3 business days after payment received. WARRANTY: This unit is warranted by the manufacturer to be free from manufacturing and mechanical defects for five years from date of purchase.