Small enough to bring just in case, but bright enough to light the way down unexpected rappels and dark trails, the Astro 300 R is a fully rechargeable light featuring a compact body that is ergonomic with a low profile for better balance. In addition, the updated optical efficiency provides brighter light at 300 lumens. Powered by our BD 1500 Li-ion battery that&&';;s charged by a micro USB, the Astro 300 R also features a sustainably made elastic headband with Repreve recycled textiles. The Astro&';s dimming and strobe modes let you customize the lighting to your needs, and the highly weather resistant housing withstands rain and sleet from any angle. Patented digital lockout feature safeguards against accidental use when stored in a pack or pocket Rechargeable: Powered with integrated 1500 mAh Li-ion battery with micro-USB charge port 300 Lumen max output Recycled elastic headband featuring comfortable next to skin Repreve fiber construction Settings include full strength, dimming and strobe. Brightness Memory allows you to turn the headlamp on and off at last used brightness level without reverting to max brightness IPX4 Stormproof: withstands rain and sleet from any angle. Weight: 100 g IPX Rating: IPX4 Max Burntime: [High] 6 hrs a [Medium] 12 hrs a [Low] 140 hrs Batteries: Rechargeable 1500 mAh Li-ion batteries Lumens: [High] 300 lm, [Medium] 150 lm, [Low] 6 lm Max Distance: [High] 55 m a [Medium] 35 m a [Low] 8 m Country of Origin: China