The MPL0407 3W LED Headlamp is ideal as a work light, camping headlamp or for any sports enthusiast. The 3W LED Headlamp offers total hands-free convenience, with an adjustable head strap and 100% to 30% light intensity. The ON/OFF strobe function makes this the perfect companion for the outdoor enthusiast, contractor or general handyman. The MPL0407 uses AAA batteries that are not included in the packaging. To purchase AAA batteries click here. https://major-tech.com/product-category/batteries/ Features : Strobe Function 3 Light Functions Adjustable Strap ON/OFF Button 90° Tilt Up to 150 Lumen