Complete 2.5v Otoscope and Ophthalmoscope Set Emergency Phone Pager Systems Temperature display in Centidegree (°C) Style:Pair (Left & Right) Temperature display in Centidegree (°C) and Fahrenheit (°F) Power: DC 3V(Two "AA" from foreign components * Batteries NOT included * Otoscope: Chrome plated Otoscope head with removable 4x magnifying lens and insufflator fitting * Auto clavable polypropylene ear specula in 2 5mm sizes * Adapter to allow use with Welch Allyn or compatible disposable specula * Nasal speculum adapter with manual screw opening for instrumentation connects to the otoscope head Ophthalmoscope: * Ophthalmoscope * head with lens wheel featuring 25 corrective lenses from 25 to +40 diopters Bent Arm Illuminator: Chrome plated bent arm larynx and nasopharynx illuminator for lighting the oral cavity and pharyngeal area * One 3