ScatMats help you train your pet safely, effectively, and harmlessly teaches your pets to stay away from areas you want to protect. Scat Mat will help your dog or cat learn good house manners-use the ScatMat automatic indoor pet training mat to keep them off furniture, counters, and out of off-limit areas and rooms. Simply place the ScatMat in any area you want your pet to avoid, and switch it on. The ScatMat responds to your pet's touch with a mild, harmless 3-second static pulse. Pets soon learn which areas to keep away from. With three intensity levels, ScatMat is suitable for any sized cat or dog. This highly effective consumer favorite requires a 9v battery (not included) Medium ScatMat measures 30 X 16 inches; and is great for blocking doorways, covering large furniture and more. Large ScatMat measures 48 x 20 inches; and is great for blocking driveways, covering large furniture and more. PetSafe ScatMat Training Mat - Training Tools