Welch Allyn Green Series 777 Integrated Wall Diagnostic System including Wall Aneroid Sphygmomanometer (#7670-01), PanOptic Ophthalmoscope with Cobalt-Blue Filter and Corneal Viewing Lens with LED (#11820-L), MacroView Otoscope with LED (#23810-L), KleenSpec Disposable Specula Dispenser, Wall-Mount Panel (34 x 12 in / 86.4 x 30.5 cm); 100-240 V, 50-60 Hz AC, IEC Plug Type-B