Astro 300 Headlamp from Black Diamond is a rain-resistant headlamp that has a rechargeable integrated 1500 mAh battery. The lamp has a maximum brightness of 300 lumens. Integrated battery indicator and settings include full power, dimming and strobe. Brightness Memory preserves brightness when you turn the lamp on and off. Black Diamond Astro 300-R Headlamp Graphite | Buy Black Diamond Astro 300-R Headlamp Graphite here | Outnorth