High-quality cordless fan for flexible use, independent from grid power. Battery pack operating time of up to 7 hours (at 5.2 Ah). Robust metal cage for maximum air throughput with minimum turbulence. Adjustable tilting cage for flexible and optimum direction of air flow. Air delivery selectable via 3 speed choices. Silent operation even with highest level setting. Stable tubular frame with rubber nibs for safe stand.