Pistol designed for easy use in the patients mouth. 115 volts and 220 volts AC, 80 W. Fiber optic 8/9 mm diam, 60 deg. tilt. Autoclavable. 10-60 seconds timer. Wall mounted available. Intensity: at least 500 mw/cc Bulb: 12V/75W; Unit has electronically controlled power input for longer bulb life (Bulb and fiber optic not covered in warranty). Output of over 800 GUARANTEED! Great Light!