Adc 25V Otoscope Opthalmoscope Diagnostic Set 5215.Medical instruments adc 25v otoscope opthalmoscope diagnostic set 5215 new adc complete 2.5v instrument set # 5215. A full featured 2.5v set with 5 different instruments in a fitted case. Bayonet locking mounts for each instrument head to allow secure connection to the battery handle. C cell powered, satin finish chrome-plated battery handle with knurled finish. Complete in zippered case with fitted foam insert that is scuff and scratch resistant and cleans easily.