* Always power when needed! Recharge over and over by winding the handle * Revolutionary self-powered technology - no batteries to change * Super bright LED - no bulb to replace * Patented circuitry system - allows internal lithium battery to hold power and insure that it does not drain while in standby mode * Patented in-line gearing system for smooth winding motion * Compact, ergonomic design fits easily in hand, pocket or bag