WindFire USB Headlamp CREE 2000Lm XM-L T6 L2 3 Modes Headlamp Outdoor Lighting Head Lights Zoomable Support Connect Power Bank 3xAAA/ 3xAA/18650 Rechargeable Headlight Bicycle Light with AC Charger and USB Interface for Charging CellPhones Tablet Focus Adjustable Zoomable Headlamp CREE XM-L T6 L2 LED makes the brightness reach up to 2000lm. Rechargeable function. Intelligent circuit control,3switch modes: High,Low, Strobe. Aluminum alloy casing, Model of Battery required: 3xAAA/ 3xAA/2x 18650 3.7v Battery (not Included ) With AC charger interface and USB standard interface, very convenient for you travelling, camping Suitable for all kinds of outdoor activities like camping, hiking,climbing,fishing, night walking