It is small in size, easy to use and easy to carry. Adjustable headband for ergonomic design. Features: 5LED lamp holder design, can highlight the output. Fine quality wick, 6 lighting modes, lasting. Tail warning lights make your trip safer. Elastic breathable woven belt, breathable and sweat-absorbing, adjustable elasticity. Light source irradiation can be adjusted between 0 and 90, suitable for a variety of scenes. Specifications: Light Source: LED Gear 1: on 1, gear 2: on 2, gear 3: on 3, gear 4: on bottom 2, gear 5: full on 5, gear 6: flash Material: ABS+ aluminum alloy Light color: white Output power: 20W Running time: 3-5h Batterys: 2 * 18650, 1200mAH Item size: 80 * 48 * 40mm / 3.1 * 1.9 * 1.6in Item weight: 166g / 5.9ounce Package size: 117 * 111 * 99mm / 4.6 * 4.4 * 3.9in Package weight: 293g / 10.3ounce Packing List: 1 * Head Light