For the safety of your night cycling， you will need a durable and waterproof bike lamp. ThisCREE XML 3-LED T6 3600LM 3-Mode Aluminum Alloy Bike Lamp with IPX-65 Waterproof is your optimal choice. The aircraft-grade aluminum alloy material and hard anodic oxidation on the surface ensure the durability. Due to IPX-65 waterproof grade， the bike lamp can be used in wet conditions， such as foggy or rainy days. Furthermore， it is multi-functional and can be used as a headlamp after using a rubber band. No waste time in waiting. Take action now!                                    Features             There are 3 brightness modes for free adjustment<br> IPX-65 waterproof grade for night cycling in foggy or rainy days<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> It is multi-functional and can be used as a headlamp after using a rubber band   <br>                                                            Specifications             Material     Aluminium Alloy    <br> Color     Black    <br> Quantity     1    <br> Emitter Brand         <br> LED Type     XML    <br> Emitter BIN     T6    <br> Emitter Number     3    <br> Power Supply     1 x Battery Pack (Included)     <br> Lens     Glass    <br> Reflector     Aluminum Smooth    <br> Luminous Flux     3600LM    <br> LED Lifespan     Above 100000 Hours    <br> Waterproof Rate     IPX-65    <br> Number of Modes     3    <br> Modes Arrangement     High， Low， Fast Strobe    <br> Dimensions     (2.64 x 2.17 x 1.69)" / (6.7 x 5.5 x 4.3)cm (L x W x H)    <br> Weight     15.38oz / 436g     <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>