76710-71M -Welch Allyn Integrated Diagnostic Systems includes 

76710 wall transformer, 11720 standard ophthalmoscope, and 23810 Macroview otoscope.

• All the instruments you’ll need to perform a complete diagnostic examination
• Handle-based rheostats for quick light-intensity adjustments
• Comfortable, contoured handles are easy to hold and maneuver
  OptiSense™ sensor automatically turns handles on when they are removed from the cradles and off when they are replaced   
• 11710 traditional Standard Ophthalmoscope  
• I23810 MacroView™ Otoscope, which provides 30% more magnification and nearly twice the field of view of traditional otoscopes 
• Handle-based rheostats for quick light-intensity adjustments