ADC, 56802A-3, Adstation 3.5V Modular Diagnostic Wall System with Transformer and Extension ModuleIncludes:5422 PMV LED Otoscope5442 Coax Plus Halogen/ Xenon Ophthalmoscope5630 Specula Dispenser5660T Wall Transformer5660E Wall Extension ModuleFeatures Otoscope:Significantly improved view of the auditory canal and tympanic membraneFiber-optic light transmission for an unobstructed viewReflection-optimized, high-performance glass opticsAdjustable focal depthSuitable for throat illumination and pneumatic otoscopy (insufflator sold separately)Compatible with Welch Allyn speculaAnti-theft locking feature is standardFeatures Ophthalmoscope:High performance aspherical condenser lens reduces corneal reflectionFurther reduction provided by utilizing distinct parallel observational and illuminating light beam. (Gullstrand's principal)Ergonomic design and integral thumb rest improves stability and allows one finger control of all functionsSynthetic rubber brow rest facilitates use with practitioner eyeglassesDust proofMagnified/illuminated aperture viewing windowUniversal bayonet mount for compatibility with other brands of 3.5v power supply handlesAnti-theft locking feature is standardFeatures Wall Transformer:Magnetic switch activates power when handle is removed from cradle, automatically powers off when handle is replacedHandle CNC machined from solid brass, the handle is chrome plated in black with a ribbed surface for a sure gripAdtronic electronic rheostatic light intensity control provides infinite continuous controlAdtronic auto-off feature after 2 minutes provides additional safety if instrument is mis-cradledBayonet instrument mount is compatible with all major brands of 3.5v instrument headsBase unit contains power switch and one handleUp to 3 single handle extension units can be addedEasy to install with included bracket or may be mounted to wallboard systemsFeatures Wall Extension Module:Magnetic switch activates power when handle removed from cradle, automatically powers off when handle replaced.Handle CNC machined from solid brass, the handle is chrome plated in black with a ribbed surface for a sure gripAdtronic electronic rheostatic light intensity control provides infinite continuous controlAdtronic auto-off feature after 2 minutes provides additional safety if instrument mis-cradledBayonette instrument mount is compatible with all major brands of 3.5v instrument headsUp to 3 single handle extension units can be addedEasy to install with included bracket or may be mounted to wall board systems.