Adjustable head band could perfectly fit for any head size， bringing the maximum comfort. Coming with a battery pack and charger， it provides great convenience to keep your headlamp full of power anywhere and anytime. This headlamp， made of high-grade aluminum alloy material and with sophisticated workmanship， is durable and reliable to use. It features 3 modes for free option. Furthermore， it has IPX-65 waterproof grade， so you can feel free to use the lamp in foggy or rainy days. It will expel darkness， bring light and ensure the safety of night cycling! XML 7-LED 3 Modes Adjustable Head Band Aluminum Alloy Headlamp with Rubber Rings !#!amp!*! Charger !#!amp!*! Battery Pack deserves your paying!                                    Features             It is multifunctional and can be used as a headlamp after using a rubber band<br> Hard anodic oxidation on the surface and aircraft-grade aluminum alloy material <br> Equipped with lots of accessories， like a battery pack， headlamp belt， charger and 2 rubber rings<br> IPX-65 waterproof grade for night cycling in any fierce condition， like foggy or rainy days<br> There are 3 brightness modes for free adjustment<br> The 7 LEDs feature high brightness and low power consumption  <br>                                                            Specifications             Model     XML    <br> Emitter Type     L2    <br> Bulb Quantity     7pcs    <br> Switch Type     Button    <br> Mode     3    <br> Mode Arrangement     High， Low， Fast Strobe    <br> Charger     Yes    <br> Battery Included     Yes    <br> Material     Aluminium Alloy    <br> Color     Black    <br> Dimensions     (2.75 x 2.55 x 2.2)" / (7 x 6.5 x 5.6)cm (L x W x H)    <br> Weight     17.25oz / 489g     <br>                                                             Package Includes            1 x Headlamp<br>1 x Battery Pack<br>1 x Headlamp Belt<br>1 x Charger<br>2 x Rubber Rings<br>