Blackdiamond Astro 300 HeadlampThe simple yet versatile one lens and one switch headlamp for the user that doesn't 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.Astro 300 FeaturesDetailDual-Fuel: Power with three AAA Alkaline cells (included) or the rechargeable BD 1500 Li-ion battery and charger (purchased separately) for maximum flexibility300 Lumen max outputSettings include full strength, dimming and strobeBrightness Memory allows you to turn the headlamp on and off at last used brightness level without reverting to max brightnessIPX4 Stormproof: withstands rain and sleet from any angleDigital lock mode feature safeguards against accidental use when stored in a pack or pocketTech Specs:Display Weight75 g (AAA), 69.5 g (BD1500)Max Distance(High) 55 m, (Medium) 35 m, (Low) 8 mWeight Without Batteries42 gPart#: BD620674