?This ZHISHUNJIA 360-USB035 XM-L2U2 880LM 1-LED 6-Mode 360 Degree Rotating USB Powered Cool White BicycleLight is pollution-free£¬ energy-saving and environmental-friendly. It adopts XM-L2U2 LED bulbs and introduces advanced energy-saving technology to ensure its long emergency lighting time£¬ high brightness and wide illuminating range. Besides£¬ coming with a USB power cable£¬ it is convenient to recharge anytime. The working voltage and power supply make itlow power consumption and eco-friendly. With this bicycle light£¬ you can rest assured to ride at night! You really need to install this bicycle light in case of night riding!                                    Features             Made of high quality aluminum alloy£¬ it is solid in construction<br> 6-mode light to meet different situations easily  <br> Low power consumption and energy-saving<br> Long lifespan£¬ high brightness and wide illuminating range <br> With USB power cable design <br> Compact£¬ mini£¬ lightweight and multi-functional<br> Easy to install  <br>                                                            Specifications             Model     360-USB035    <br> Quantity     1Set    <br> Color     Black & Silver    <br> Material     Aluminum Alloy    <br> Emitter Brand     N/A    <br> LED Type     XM-L2    <br> Emitter BIN     U2    <br> Number Of Emitters      1    <br> Color BIN     Cool White    <br> Working Voltage     3.7V-8.4VV    <br> Power Supply     4 x AA / 4 x 14500(Not Included)    <br> Current     2.8A    <br> Theoretical Lumens     1000lumens    <br> Actual Lumens     880lumens    <br> Runtime     4Hour    <br> Number Of Modes     6    <br> Mode Memory     No    <br> Switch Type     Forward Clicky    <br> Lens     Glass    <br> Reflector     Aluminum Smooth    <br> Flashlight Mounting     Handlebar    <br> Switch Location     Tailcap    <br> Beam Range     300m    <br> Bike Lamp Interface Size     3.5MM+USB    <br> Battery Pack Interface Size     USB    <br> Other Features     3.7 V To 8.4 V Super Wide Voltage    <br> Weight     5.01oz / 142g    <br> Dimensions     (2.17 x 1.77 x 3.74)" / (5.5 x 4.5 x 9.5)cm (L x W x H)     <br>                                                             Package Includes            1 x Bike Light (Cable: 60 cm) <br>1 x USB Power Cord (60 cm) <br>1 x AA Battery Case (30 cm)<br>