Keeler 1516-P-1033 Standard Otoscope 3.6V head and bulb only in carton The industry standard for ward and GP use A great Otoscope to take on ward rounds or for GP's to get a quick look. Closed head system ideally suited to pneumatic testing. 2.5x removable magnifying lens allows the introduction of small instruments. Can be used with either permanent or disposable Specula