The bold design of the MDF LUMiNiX Professional Diagnostic Penlight is inspired by Art Deco, the unique style that unified modern art and industrial purpose with geometric forms and streamlined shapes, making this luxurious lighting instrument a leader in its class. Of paramount importance to the LUMiNiX design is the precision handcrafted solid aircraft aluminum construction that characterizes the appearance and optimizes functionality. LUMiNiX is equipped with a variable focus beam and push end-cap button. Bulb: Standard illumination. Batteries: Requires 2 AAA batteries (not included). Warranty: 2 years.