You need to install a reliable light for your bicycle in case of night riding. Come here and have a look at this ZHISHUNJIA ZSJ-YZ003High Light XM-LU2 2000lm 3-LED 3-Mode White Bicycle Light with Taillight. It adopts emitter and XM-LU2 bulbs and introduces advanced energy-saving technology to ensure its long emergency lighting time, high brightness and wide illuminating range. Besides, coming with a taillight, it provides you with high brightness in the darkness. It works byfour 18650 batteries, energy-saving and environmental-friendly. With this bicycle light, you can rest assured to ride at night!<!--Features --><p>FEATURES</p><UL><LI></LI><LI>Made of high quality aluminum alloy, it is solid in construction</LI><LI>4-mode light to meet different situations easily</LI><LI>Low power consumption and energy-saving</LI><LI>Long lifespan, high brightness and wide illuminating range</LI><LI>With rubber rings design</LI><LI>Compact, mini, lightweight and multi-functional</LI><LI>Easy to install</LI></UL><!--Specifications --><p>Specifications</p><TABLE class=ke-zeroborder cellSpacing=0 cellPadding=0 width="100%" border=0><TBODY><TR><TD width=131>Brand</TD><TD width=365>ZHISHUNJIA</TD></TR><TR><TD width=131>Model</TD><TD width=365>ZSJ-YZ003</TD></TR><TR><TD width=131>Quantity</TD><TD width=365>1Set</TD></TR><TR><TD width=131>Color</TD><TD width=365>Black</TD></TR><TR><TD width=131>Material</TD><TD width=365>Aluminum Alloy</TD></TR><TR><TD width=131>LED Type</TD><TD width=365/TD></TR><TR><TD width=131>Emitter BIN</TD><TD width=365>U2</TD></TR><TR><TD width=131>Number of Emitters</TD><TD width=365>3</TD></TR><TR><TD width=131>Color BIN</TD><TD width=365>Neutral White</TD></TR><TR><TD width=131>Working Voltage</TD><TD width=365>8.4V</TD></TR><TR><TD width=131>Power Supply</TD><TD width=365>4 x 18650 Batteries (Included)</TD></TR><TR><TD width=131>Current</TD><TD width=365>1.8~2.8A</TD></TR><TR><TD width=131>Theoretical Lumens</TD><TD width=365>3000LM</TD></TR><TR><TD width=131>Actual Lumens</TD><TD width=365>2200LM</TD></TR><TR><TD width=131>Runtime</TD><TD width=365>5 Hours</TD></TR><TR><TD width=131>Number of Modes</TD><TD width=365>3</TD></TR><TR><TD width=131>Mode Arrangement</TD><TD width=365>Highlight &amp; Medium Light &amp; Blasting Flash</TD></TR><TR><TD width=131>Mode Memory</TD><TD width=365>No</TD></TR><TR><TD width=131>Switch Type</TD><TD width=365>Forward Clicky</TD></TR><TR><TD width=131>Lens</TD><TD width=365>Glass</TD></TR><TR><TD width=131>Reflector Aluminum</TD><TD width=365>Smooth</TD></TR><TR><TD width=131>Flashlight Mounting</TD><TD width=365>Handlebar and Helmet</TD></TR><TR><TD width=131>Switch Location</TD><TD width=365>Tailcap</TD></TR><TR><TD width=131>Beam Range</TD><TD width=365>300m</TD></TR><TR><TD width=131>Other Features</TD><TD width=365>IPX6 Waterproof</TD></TR><TR><TD width=131>Dimensions</TD><TD width=365>(2.24 x 2.17 x 1.69)" / (5.7 x 5.5 x 4.3)cm (L x W x H)</TD></TR><TR><TD width=131>Weight</TD><TD width=365>5.04oz / 143g</TD></TR></TBODY></TABLE><!--Package Includes --><p>Package Includes</p><UL><LI>1 x Bicycle Headlamp (80cm-Cable)</LI><LI>1 x Bicycle Tail Light (Powered by 2 x AAA, Not Included)</LI><LI>1 x Battery Pack (50cm-cable)</LI><LI>1 x 2-Flat-Pin Plug Power Adapter (100~240V / 90cm)</LI><LI>2 x Rubber Rings</LI></UL><!--Extra Info --><!--produts_compatibility -->