The Black Diamond Astro 300 is a lightweight and easy-to-use headlamp designed for trekking, camping, backpacking, travel, and emergency use. Delivering up to 300 lumens of illumination, it features a single-button interface, variable dimming, and strobe mode for simple operation. The Dual-Fuel design lets you use either the included 3 AAA batteries or the optional Black Diamond BD 1500 rechargeable Li-ion battery, making it a dependable companion for both everyday adventures and extended trips. Its IPX4 stormproof construction withstands rain and splashes from any direction.