This headlamp features a 5 Watt Cree LED, along with two additional red LED's, and a 1200 mAh rechargable li-on battery. The charge time is 3.5 hrs, with a run time up to 16 hours when set to low. You can select from four modes, including 100%, 50%, 20%, and SOS. Additionally, it provides an output of up to 230 lumens with a beam distance up to 75 meters. This headlamp is also water resistant up to IP66.