This Stansport 150 Lumens Headlight is equipped with 150-lumens of power, this lamp gets you safely about the campground, through underground passages, or anywhere you may need hands-free illumination. Dimensions: 7W x 5D x 2.25H in.. Uses 3 AAA batteries (not included). Cree LED bulb provides up to 150 lumens. Plastic and glass construction. Pull zoom lens changes from spot light to flood light. Adjustable head strap.