Cosmopor® White Adhesive Dressing, 3 1 8 x 4 Inch, 1 Box of 25 Tens Units WITH HEADS * Without Clock Style:Pair (Left & Right) WITH HEADS * Without Clock or Temp * Designed to put everything needed for fast accurate diagnoses at arms length * Features handle based rheostats for quick light intensity adjustments * Modular coiled cords guaranteed for ten years * High impact ABS housing * Improved cradle design featuring OptiSenseTM an optical sensor that automatically turns handles on when they are removed from the cradles * New Halogen HPX Lamp the two heads that come with this unit are WA11710 Ophthalmoscope WA25020 Otoscope Cuff thickness (single): 5 Conforms well to body contours and remains in place Good absorbency and cushioning effect