Pull Tite II® Seal, 1 Pack Measuring Aids WITH HEADS * Without Clock 10883 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 concave trim to fit Excellent seal for code carts and emergency kits that need security with quick entry Autoclavable up to 325°f (163°c)