led headlamp， H7 focusing headlamp with variable light output technology(dimming function)， advanced focus system， high intensity led， white beam， metal and plastic casing， adjustable plastic straps， hinged attachment to position beam， front switch， 183 to 3 lumens， 6.25 to 75 hour run time， beam distance from 315ft to 49 ft， uses 3 AAA batteries.