USB rechargeable Wide Angle Plus Technology enabled headlamp. Max 560 lumen output. 2-36 hours of battery life. Runs on three standard AAA batteries or USB rechargeable Li-ion battery (both included).Features:Wide-angle high or low, long-distance high, wide-angle plus long-distance or green;Last Light feature remembers the previous beam setting when the light is switched on;Long distance spot plus intense wide-angle flood beam;Both wide-angle and long-distance beams may be activated at the same time to provide 180-degree coverage;USB rechargeable Li-ion battery pack or three standard AAA batteries (both included)