High Tech Pet Sofa Scram Sonic Pad Pet Deterrent, 3-Pack Uses audible sound to keep your pet at bay Works quickly and effectively without applying shock or pain to your pet Works on cats and dogs weighing more then 5 pounds. Use on sofas, chairs, countertops, beds, in front of doorways and on trash cans Measures 2-inch high by 12-inch deep by 59-inch long