Prospera Pl015 Kneading Massage Cushion - (pl015) The Kneading Massage Cushion's Shiatsu massage mechanism delivers a relaxing kneading massage just where you need it. Can be used for vehicle, office and home setting. A stripe is built in the back of the cushion for convenient mount to car seat. Massage Type: Shiatsu Body Part: Neck, Back, Leg, Abdomen, Shoulders Application/Usage: Relaxation Power Description:Power Source: AC Supply,Input Voltage: 12 V DC Height: 7",Width: 11",Depth: 4" Weight (Approximate): 3.50 lb Two pairs Shiatsu kneading heads Plugs into car cigarette lighter