Adjustable and elastic headband. Waterproofing design. Aluminum alloy casing. Wide usage such as biking, camping, backpacking, hunting, fishing, emergencies and home repairing, etc. Specifications： Model of LED: CREE XM-L T6 Lumen：1000LM Voltage: 6V Power supply：4 * AA (not included) Switch Type: Button (On, Off and mode selecting) Material: Aluminum alloy & Plastic Item color: Black Item size: 8.4 * 5.6 * 5.2cm/ 3.31 * 2.2 * 2.05in Item weight: 220g/ 7.75oz Package size: 12.5 * 10 * 9.5cm/ 4.92 * 3.94 * 3.74in Package weight: 265g/ 9.34oz Package includes: 1 * Headlight