Steelman PRO 96787 100 Lumen Detachable LED Headlamp RUGGED DESIGN - Constructed of durable and weather resistant black anodized aluminum with a steel pocket clip BRIGHT LED - Single CREE LED produces up to 100 lumens of bright white illumination LONG RUNTIME - Single CR123 lithium battery (included) can power the light for 4 continuous hours on high setting DIMMABLE - Light has a built-in dimmer setting that can adjust the light output for custom illumination REMOVABLE HEADBAND - Light unit can be detached from the rubber holder on the elastic headband for traditional, flashlight style use MAGNETIC BASE - Base of the light features an integrated magnet allowing additional hands-free mounting options