Fashion outlet 2000 Lumen LED CREE XML T6 Zoomable Adjustable Focus 3 Modes Headlamp Head Torch Light+1x Charger+2x 2400mAh 18650 Battery Adjustable focus range for different usage Type of Battery : 1x18650 or 2 x 18650 Battery Dimension : 44mm 3 switch Mode: Strong Brightness / Normal Brightness / Flashing Roll the Light Head from left to right or from right to left to adjust focus