Simply place the dog bed in a position you want your dog to avoid. When he touches the dog bed, he will receive a mild static shock and will quickly learn to stay out of the area. get used to riding, scratching, and tearing your carpet and the dog pillow will encourage him to play elsewhere. With the dog pillow, you can keep your dog away from your sofa, counter or anything else you don’t want him to go. /p> Scope of application: bed, sofa, car, crib, valuables, kitchen, computer desk, door, all places where animals do not want to go or touch can be used. Features: 1. Two power modes: one: use a 9-volt alkaline battery (not included), two: use an AC adapter, not included) 2. 3 speeds are adjustable: high, medium, low 3. 724 hours weather protection, quiet without any working noise 4. Safe electrostatic pulse, will never hurt your pet 5. Soft and foldable PVC + copper wire, easy to store and save space. Size: 2048(L)