Black Diamond Astro R Headlamp 300 Lumen

For the adventurer who wants a simple, single lens and single switch headlamp but values the ability to recharge and keep their headlamp fully charged and ready to go.

• Rechargeable: Powered with integrated 1500 mAh Li-ion battery with micro-USB charge port
• 300 Lumen max output
• 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
• Digital lock mode feature safeguards against accidental use when stored in a pack or pocket

Instructions behind the link.