2.5v Halogen Otoscope with Plastic Head and Handle. Movable Optical glass viewing window with 3x magnification. Plastic reusable speculum size 2, 3, 4, 5, 6mm. AA size Battery Handle. Available in hard case plastic case. Specification:- Otoscope Head : 2.5v Otoscope Head with Thread Contact fitting supplied with 5 reusable aural specula Halogen light for true tissue color and consistent, long-lasting illumination Movable Optical glass viewing window with 3x Magnification. Halogen Light provide cool light with no reflections or obstructions Wide-angle viewing lens allows for instrumentation under magnification Plastic reusable speculum size 2, 3, 4, 5 and 6mm.