K&H Pet Products Pet Bed Warmer Tan - MET Safety Listed An energy efficient way to heat virtually any pet bed All sizes warm the surface of a pet bed to your pet's normal body temperature only when your pet lies in their bed Medium Measures 6-inches by 20-inches and uses 6 watts Keep your pets bed warm and toasty year-round MET Listed; One year Limited Warranty Keep your pets bed nice and toasty year-round Dual thermostats for added comfort Works in any pet bed For indoor use only 1-year limited warranty