FOLDING FAN WITH with Light KC-5811 - BATTERY: 4V 1600 mAh rechargeable battery -110-250V charge time: 5-6 hours -DURATION: -2.5-3hours/high speed -3-3.5hours/low speed -6-8hours/strong light -8-10hours/weak light -DIAMETER: 16cm- UNFOLD HEIGHT: 28cm -FOLDING HEIGHT: 11cm