WindFire&reg; Zoomable CREE 2000Lm XM-L T6 L2 5 Modes Headlamp with Adjustable Base Rechargeable Lamp Headlight Bicycle Light with AC Charger and USB Interface for Charging CellPhones Tablet Power Bank and Other Digital Devices for Camping, Cycling Focus Adjustable Zoomable Headlamp CREE XM-L T6 L2 LED makes the brightness reach up to 2000lm. Rechargeable function. Intelligent circuit control,5 switch modes: High, Medium, Low, Strobe, SOS. Aluminum alloy casing, waterproof design, Model of Battery required: 2x 18650 3.7v (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