Signaspray Electrode &Skin Prep 250 ml Disp Bottle Bx 12 Wheelchairs Standard Comes complete with two sound Select Ear:Left Ear 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 * 1 1 Cotton Swabs 3 100 pkg 250ml Clear Bottle Bx 12A * Highly conductive economical spray electrolyte and non gritty skin prep *