Headlight is widely applied in many products， such as bicycles. To ensure daily safe riding， you may need our QD001 Machfally 5W LED IPX-4 Waterproof USB Charging 4 Modes Bike Headlight! This headlight， with excellent workmanship on the basis of superior material， ensures good durability and high brightness. Made into 4 modes for free option. It gets outstanding waterproof performance， suitable for wet condition such as rainy days. So handy size， this headlight is convenient for daily installation and use. It will keep long-lasting lighting performance due to its inbuilt 1200mAh battery. Get rid of danger and trouble by using our bike headlight recommended here!                                    Features             Support USB charging， can be repeatedly charged<br> LED technology， ensures stable and long-lasting lighting performance<br> Low power consumption and high brightness<br> With 4 modes， it allows you to randomly adjust the brightness for meeting your real need<br> Excellent water resistance， fit for rainy days<br> Built-in 1200mAh battery， it keeps continuous working<br> Compact size for convenient operation <br>                                                            Specifications             Name     Bike Lights    <br> LED     5W LED    <br> Battery     Polymer Battery 1200mAh    <br> Material     Aluminium Magnesium Alloy + PC    <br> Dimensions     (3.35 x x1.18 x 1.18)" (8.5 x 3 x 3)cm (L x W x H)    <br> Weight     2.54oz / 72g    <br> Item     Highlighted，Long Bright，Blasting Flash，Stroboscopic    <br> Lumen     180LM，120LM，180LM，140LM    <br> Max Runtime     2h，6h，5h，10h    <br> Peak Bean Instensity     3120CD    <br> Bean Distance     6220.46" / 15800cm    <br> Number of Charge     1000 number    <br> Charging Time     1-2h    <br> Drop Test     1M    <br> Waterproof     IPX-4    <br> Power Indicator     >10%Blue Light  ≤10%Red Light    <br> Charging Item     The Notebook，The Computer，Charging Treasure，USB Socket，Car Charger    <br> Color     Gray       <br>                                                             Package Includes            1 x Bike Light <br>1 x Chinese / English Product Manual<br>