Seal Tight Knee Cast and Bandage Protector Small Scooter Accessories * Operates on 9 volt Paper Towels * Operates on 9 volt battery * Effective easy to use electronic muscle neuromuscular stimulators * Easy one hand operation including current adjustment active probe positioning and on off control * Two year warranty on materials and workmanship * Weight: 5 ounces * Ideal for facial and smaller peripheral muscles Urethane rear tires and casters offer superior performance smoother ride and are lightweight Easy application eliminates need for pumps hook & loop closure straps and adhesive tapes that may irritate skin Not made with natural rubber latex