The Black Diamond Astro 300 R is a rechargeable head torch with a simple, single lens. It boasts 300 Lumen output and offers several settings, including full strength, dimming, and strobe. This headlamp also features Black Diamond's innovative brightness memory technology, allowing you to turn the headlamp on and off at the last used brightness level. This easy-to-use, one-button headlamp is perfect for camping or walking the dog, ensuring a safe hike in low light conditions. It's powered by three AAA Alkaline cells (included) or a rechargeable BD 1500 Li-ion battery and charger (purchased separately) for maximum flexibility. The Astro 300 R is IPX4 Stormproof, meaning it can withstand rain and sleet from any angle, and includes a digital lock mode feature to prevent accidental activation when stored.