• Waterproof patented heated floor system
• Uses only 20 watts for energy efficiency
• No tools assembly
• Indoor/Outdoor use
• Measures 14"w x 18"d x 14"h
• All K&H heated cat houses have been tested & are certified by MET Labs to exceed UL electrical safety standards; K&H doesn't just use safety listed parts, we safety certify the entire product - For indoor/outdoor use with 110/120 volt electrical current only