The Cupola Fog-Free Mirror features frameless polished edges with a built-in heating element to prevent fog buildup and deliver a crystal-clear reflection. Dimensions: 12.5"W (31.8 cm) x 1"D (2.5 cm) x 22"H (55.9 cm) Designed, engineered and built in the U.S.A. Fog-Free Mirrorheating padmetal mounting frame Transformer wiring120V Input (black-white)12V Output (red-blue) Construction:Glass Mirror w/ 304 stainless mounting bracket Glass Thickness:0.25" (0.63 cm) Maximum Temperature:250 degrees F (121 degrees C)