Features Smart Dimming technology to control light intensity and VisionGuard to protect vision by gradually increasing light intensity. Red and green LED mode to preserve night vision. Fully charges in 4 hours (USB cable included). Up to 15X brighter than standard LED technology. 7 modes: high mode (400 lumens, 4 hours of run time and 80 meters beam distance), low mode (20 lumens, 15 hours of run time and 25 meters beam distance), wide mode (200 lumens, 5 hours of run time and 30 meters beam distance), wide-low mode, red, flashing red and green. Green.