WindFire New Outdoor Super Bright CREE XM-L XML T6 U2 LED 1800 Lm Headlamp Rechargeable Headlight + AC Charger & 2x WindFire 4000mah 18650 Rechargeable Batteries (Black and silver) Perfect fit for outdoor sports, such as camping, traveling, hiking. 3 Modes: High, Low and Strobe Luminous Flux: Output brightness comes to 1800 lumen(Maximum) Material: Aluminum alloy casing, avoid high temperature, fall-off protection. Power Source: 2 x WindFire 4000mAh 18650 Battery ( Included )