ALLTION AC-1310 colposcopes comes with 5.9V/5W LED Cold Light Source giving white color illumination. This 3-steps magnification colposcope is high quality 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-1310 Colposcope: 1. Total magnification 3.75x, 7x, 15x 2. 300mm focal length 3. Field of View: 30.93mm, 15.50mm, 7.74mm dia. 4. Depth of Field: 18mm, 4mm, 2mm 5. Light intensity: >28,000 LUX 6. Individually adjustable eyepiece 12.5x (diopters) 7. Right eyepiece with 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 built-in green filter foe enhanced contrast 10. LED bulb is easily changeable. 11. Working Height: 838mm to 1194mm 12. Two (Gross/Fine) focus adjustment Handles 13. Two (Gross/Fine) height adjustment Handles 14. Universal Teflon® ball-joint gives you 360° easy motion 15. Unit is completely assembled and ready for use once power is on 16. Main Power Supply: 110V/220V