UCO X120 X-Act Fit 120 Lumen CREE LED Headlamp with Infinitiy Dial Adjustable Brightness Comfortable, lightweight, bright LED headlamp with CREE XP-E LED bulb provides up to 120 lumens of light; water resistant to IPX4 X-Act Fit adjustment system provides micro-adjustment for a custom fit; unique hinge design has no hard point that can cause headaches Available in two styles (sold separately)  the X120R includes a rechargeable Li-ion battery, and the X120 includes 3 AAA batteries Up to 160 hour battery life; dial-adjusted light transitions from flood, to spotlight, to red night vision settings Dimensions: 2.4 x 1.25 x 1.5 in. (6 x 3.2 x 3.9 cm); weight: (w/ batteries) 3.2 oz. (90 g); includes 3 AAA batteries; 1 year warranty