Astro 300 Headlamp from Black Diamond is a rain-resistant headlamp that works with both BD 1500 batteries and standard AAA batteries. The lamp has a maximum brightness of 300 lumens. Integrated battery indicator and the settings include full power, dimming and strobe. Brightness Memory preserves brightness when you turn the lamp on and off. AAA batteries are included. Black Diamond Astro 300 Headlamp Graphite | Buy Black Diamond Astro 300 Headlamp Graphite here | Outnorth