3.2V ultra-bright halogen lamp for bright illumination. * Optical Quality Glass 5x magnifying lens with scratch resistant coating. * Rheostatic on/off switch for variable light intensity. * Veterinary length Autoclavable, polypropylene ear specula in sizes 4mm, 5mm, and 7mm specula sizes. * Powered by 2 "C" cell batteries (not included). can also be used with rechargables