This X3 XML 3-LED T6 3600LM 4-Mode Aluminum Alloy Bike Lamp with IPX-65 Waterproof is great for your safety of night cycling. Aircraft-grade aluminum alloy material and hard anodic oxidation on the surface ensure a long lifespan. High brightness and IPX-65 waterproof grade enable it to be used in any wet condition， like foggy or rainy days. It is equipped with many accessories for your convenience， like a battery pack， headlamp belt， charger and 2 rubber rings.                                    Features             As long as you have a rubber band， it can be used as a headlight<br> It has high brightness and a long lifespan<br> IPX-65 waterproof grade is excellent for night cycling in any wet condition， like foggy or rainy days<br> It features intelligent circuit control and 4 brightness modes<br> It is equipped with many accessories， like a battery pack， headlamp belt， charger and 2 rubber rings<br> Aircraft-grade aluminum alloy material and hard anodic oxidation on the surface for long-term use   <br>                                                            Specifications             Material     Aluminum 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     4    <br> Modes Arrangement     Energy Saving， Middle， High， Fast Strobe    <br> Dimensions     (2.87 x 1.65 x 1.57)" / (7.3 x 4.2 x 4)cm (L x W x H)    <br> Weight     14.64oz / 415g     <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>