Pocket Halogen Light Otoscope and Ophthalmoscope Set 2.5V Diagnostic Sets * Combines the suberb skin Hip Kits * Combines the suberb skin protection and shape matching ability of ROHO DRY FLOATATION© with the stability of Jay© base technology * This new cushion design allows for improved position and function while maintaining optimal immersion and envelopment of both the ischial tuberosities and greater trochanters * Cushion insert matches the individual s shape by adjusting the amount of air * Air cushion insert is easily cleaned with soap and water 25 Base Length: 43 44 Base Depth: 18 0mm sizes are convenient safe and economical AA metal battery handle interchanges with pocket Ophthalmoscope * Complete instrument includes insufflator fitting and tube of 5 each 2 0mm specula * Pocket Ophthalmoscope features: 5 aperture selections (small aperture large aperture fixation aperture semicircle aperture and red free filter) * 17 lenses from 20 to +20 diopters for better resolution * Illuminated dial * Silicon coated protection of glass components * Built in lens dust cover * Rubber brow rest prevents scratching of eyeglasses * Ophthalmoscope head made from polymid an impact resistant space age thermoplastic * AA metal battery handle interchanges *