If you are riding in foggy or rainy days or at night， you will need a bright， waterproof and tough bike lamp. This MINI-L2 XML L2 1800LM 4-Mode Aluminum Alloy Bike Lamp with IPX-65 Waterproof Black is suitable for you. It is a quite practical and multi-functional. As to the practicality， it features high brightness， 4 brightness modes for free adjustment and IPX-65 waterproof grade for any fierce condition， like foggy or rainy days. The accessories include a battery pack， headlamp belt， charger and 2 rubber rings for your convenience. And this multi-functional bike lamp can be used as a headlamp.The alarm function enhances the safety of cycling and also works in low mode.                                    Features             It features high brightness and low power consumption<br> There are 4 brightness modes for free adjustment<br> IPX-65 waterproof grade for night cycling in any fierce condition， like foggy or rainy days<br> It is multi-functional and can be used as a headlamp<br> Accessories include a battery pack， headlamp belt， charger and 2 rubber rings<br> Hard anodic oxidation on the surface and aircraft-grade aluminum alloy material<br> The alarm function enhances the safety of cycling and also works in low mode   <br>                                                            Specifications             Material     Aluminum Alloy    <br> Color     Black    <br> Quantity     1     <br> Emitter Brand         <br> LED Type     XML    <br> Emitter BIN     L2    <br> Emitter Number     1    <br> Power Supply     1 x Battery Pack (Included)     <br> Lens     Glass    <br> Reflector     Aluminum Smooth     <br> Luminous Flux     1800LM    <br> LED Lifespan     Above 100000 Hours    <br> Waterproof Rate     IPX-65    <br> Number of Modes     4    <br> Modes Arrangement     High， Low， Energy Saving， Fast Strobe    <br> Dimensions     (2.13 x 1.85 x 1.18)" / (5.4 x 4.7 x 3)cm (L x W x H)    <br> Weight     12.88oz / 365g     <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>