ALLTION AC-1110 colposcopes comes with 5.9V/5W LED Cold Light Source giving white color illumination. This is a high quality and most basic colposcope that offers excellent optics to your practice affordable. This unit is compact, light-weight and with roller base for easily maneuver. ALLTION colposcopes are examined and calibrated prior to shipping, so the unit arrives are completely assembled and ready to use. All you have to do is plug it in. Feature of ALLTION AC-1110 Colposcope: 1. Precision computer designed total magnification 9x 2. 316mm focal length 3. Field of View: 22mm dia. 4. Depth of Field: > 4mm 5. Light intensity: >15,000 LUX 6. Individually adjustable eyepiece 12.5x (diopters) 7. Right eyepiece built-in two circles for you to measure the size of the problem you see 8. Built-in rheostat for brightness adjustment 9. User-selectable built0in green filter for enhanced contrast 10. LED bulb is easily changeable 11. Working Height; 838mm to 1194mm 12. Two (Gross/Fine) focus adjustment Handles