WA Wall Transformer w Heads w o Clock or Temperature Hearing Aid And it also means no The wetness indicator turns And it also means no dust can get in them Memorize the measuring data and time of the most recent 60 times 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