Black Diamond Astro 300 HeadlampThe simple yet versatile one lens and one switch headlamp for the user that doesnt need any bells or whistles and just wants a simple light. This user has the need to run the lamp on alkaline batteries if caught away from a power source for a long camping trip. Features: Dual Fuel: Power with three AAA Alkaline cells (included) or the rechargeable BD 1500 Li ion battery and charger (purchased separately) for maximum flexibility 300 Lumen max output