This ClearMirror Fog Free Mirror will eliminate the problem of condensation on a bathroom mirror. Available in three sizes, this fog free mirror has a thin heater that adheres to the back and is powered by the same circuit as your bathroom light fixture, fan, or even a separate switch. When turned on, the pad heats up preventing fog on the surface of the mirror. It is installed flush with your shower surround, and a low-voltage transformer provides safe electrical current. Easy to install and tested for longevity, the ClearMirror is UL and C-UL listed, tested to CSA international standards, and is New York City compliant. SHIPPING INCLUDED - see below. Sizes Available: 12" x 12", 16" x 16", and 18'' x 18''. Power Supply: Plug-in 120-volt primary and 24-volt secondary transformer Mirror: High-quality 1/4'' glass with polished edges Pad and Mirror Thickness: 5/16'' to 3/8'' Click here for Shower ClearMirror DIAGRAM. Click here for Shower 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 1-2 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. RELATED ITEMS Medicine Cabinets Towel Warmers Bathroom Shelves Bath Accessory Sets