The Petzl Tactikka XP is ultra light and compact and easily fits in a pack or pocket. With a single powerful LED with clear, red, green and blue filter lenses. The colored lenses are wide angles for better diffused proximity lighting while preserving night vision and tactical requirements. The Tactikka XP has a powerful focused beam with three lighting levels, maximum, optimum and economic as well as a strobe mode. If you really need a boost of light, the boost mode increases light by 50% for 20 seconds to give you the maximum in light power. The tilt feature allows you to aim the beam where you need it. Like most of us who never check the battery's before you leave on your next trip the Tactikka XP has a battery level indicator. Other Features: Burn Time: 150 hrs Bulb: Single LED Lenses: Clear, red, blue and green Wide Angle Feature: Yes Power: 3 AAA batteries[included] Dimming Swtich: Yes Weight: 59 grms[w/out batteries] Waterproof: Up to 1m Covered by a 3 year warranty.  Woodland Camo headband with an Olive Drab light housing.