Do you have any difficulty in riding a bike in foggy or rainy days or at night? This time you will need a bright， waterproof and durable bike lamp. You can try this XML 4-LED T6 4800LM 3-Mode Aluminum Alloy Bike Lamp with IPX-65 Waterproof. It has 4 LEDs with high brightness and low power consumption for your night safety. Due to IPX-65 waterproof grade， you can feel free to use the bike lamp in any fierce condition. Made of high-class material， it is tough for long-term use. To your surprise， it is multi-functional and can be used as a headlamp with the help of the accessory.                                    Features             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> Hard anodic oxidation on the surface and aircraft-grade aluminum alloy material <br> There are 3 brightness modes for free adjustment<br> The 4 LEDs feature high brightness and low power consumption<br> Accessories include a battery pack， headlamp belt， charger and 2 rubber rings   <br>                                                            Specifications             Material     Aluminium Alloy    <br> Color     Gray    <br> Quantity     1    <br> Emitter Brand         <br> LED Type     XML    <br> Emitter BIN     T6    <br> Emitter Number     4    <br> Power Supply     1 x Battery Pack (Included)     <br> Lens     Glass    <br> Reflector     Aluminum Smooth    <br> Luminous Flux     4800LM    <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     (2.36 x 2.17 x 1.89)" / (6 x 5.5 x 4.8)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>