Features:Pre-focused high intensity bulbReusable cold autoclavable speculumsCompact style fits easily in a breast pocket2X MagnificationEasily converts into a penlight when otoscope head is removedPerfect for doctors， nurses， students， and in home useMeasures approx 15cm tall and 1.5cm diameter when head is attachedPower Supply: 2 x AAA batteries (Not included)Package Included:1 x Otoscope5 x Heads