SFL-20 Size: Large (6.5" H x 9.5" W) Features: -8' Cord included for optional remote solar panel location for use when dog house is not in the sun. -Breeze. -Solar powered exhaust fan. -Designed for dog palace and DP hunter dog houses and can be used on any other dog house with a flat wall mounting surface. -Keeps dog cool with an indirect breeze during the day. -Exhaust vents provide passive exhaust when the sun is not shining. Product Type: -Heater. Country of Manufacture: -United States. Dimensions: Size Large (6.5" H x 9.5" W) - Overall Height - Top to Bottom: -6.5". Size Large (6.5" H x 9.5" W) - Overall Width - Side to Side: -9.5". Size Large (6.5" H x 9.5" W) - Overall Product Weight: -3.5 lbs. Size Small (5.75" H x 7" W) - Overall Width - Side to Side: -7". Size Small (5.75" H x 7" W) - Overall Height - Top to Bottom: -5.75".