vacuum bulb with approx. 10-times magnification focus adjustment -6 up to +3.5 dpt large contact disk (Ø 25 mm) with scale setting for the measurement of pigmentary skin alterations, especially for the early diagnosis of malignant tumours! Uniform, intensive illumination battery handle AA, plastic, black, in cloth bag batteries: 2 Mignon (type AA) (batteries not included in the scope of supply)