Strong Wind Cool 4&rdquo; Fan 3 Speeds Rechargeable 18650 Battery Operated Wireless Fan with LED Night Light (green) 3 Speed output power: 1.08W, 1.86W, 3.76W. Super wind but low energy comsumption Power by rechargeable 2200mAh 18650 battery inclued.Able to work for to 8 hours by a full charge In hand size fan,lightweight easy to carry enjoy cool any where and any time Equipped LED light, and by long press ON button can active the blue night light below vanes Quiet and safy, made of firm ABS and PP plastic.Idea mate for shopping,fishing,traveling,working in hot summer time