The Nitecore HC90 900 lumen is a revolutionary Micro-USB rechargeable headlamp featuring infinite brightness adjustment, secondary multi-colored (RGB) LEDs, and a 100 degree flood beam. The HC90 runs on a single 18650 Li-ion battery making it compact and lightweight. It's long run time, easy one hand operation, and extreme brightness makes this headlamp a leader in it's class. Buy this Nitecore HC90 CREE XM-L2 900 Lumen Headlamp for $70 after promo code BITCOIN with free shipping at Rakuten.com.