Seal Tight Knee Cast and Bandage Protector Medium Tens Units * Lightweight aluminum frame Style:Pair (Left & Right) * Lightweight aluminum frame 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 * Slides on easily and open design allows freedom to stand or walk without interference Easy application eliminates need for pumps hook & loop closure straps and adhesive tapes that may irritate skin