Seal Tight Knee Cast and Bandage Protector Medium Tens Units Comes complete with two sound Urinals Comes complete with two sound heads that can be plugged in simultaneously for more targeted therapy * Simple to operate the user can switch between wands with the single push of a button * Comes complete with two sound heads 1 cm2 and 5 cm2 for more targeted therapy * Used for the treatment of chronic and acute muscular pain * User can switch between dual sound heads with the push of a single button * Fully functional 1 MHz and 3 MHz frequencies * 20 user defined presets with pulsed and continuous therapy * Ergonomic handle design * Two year warranty * Mode One is the same to the Mode Three Easy application eliminates need for pumps hook & loop closure straps and adhesive tapes that may irritate skin Made of TPE high performance thermoplastic elastomer that stretches easily folds compactly and maintains waterproof seal