WindFire CREE 2000Lm XM-L T6 U2 5 Modes Headlamp with Adjustable Base Rechargeable Lamp Headlight Bicycle Light with AC Charger and USB Interface for Charging CellPhones Tablet for Camping, Climbing, Cycling (2 X WindFire 18650 Batteries included) CREE XM-L T6 U2 LED makes the brightness reach up to 2000lm. Intelligent circuit control,5 switch modes: High, Medium, Low, Strobe, SOS. Aluminum alloy casing, waterproof design, Model of Battery required: 2x 18650 3.7v (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