Black Diamond Sprinter 500 Headlamp (2 Colours)SPRINTER 500 HEADLAMP Ultra thin and well balanced, the Sprinter 500 now features nearly twice the lumen output of previous versions, emitting 500 lumens on the lights brightest setting. FEATURES Rechargeable 500 lumen headlamp Dual Fuel: Maximum flexibility to utilize either the included rechargeable lithium ion BD 1800 battery or standard AAA alkaline batteries Micro USB port included on rear battery compartment for easy recharging Red taillight