With latest technology and precise electric components, this USB Rechargeable COB Red &amp; Blue Light Waterproof Bicycle Tail Light features even illumination, high luminous efficiency, fast heat conduction, little lumens depreciation, fine water resistance and shock resistance, no light spot, no color shadow, no ultraviolet ray and infrared ray. Adopting superior plastic material, it is lightweight yet durable in use. This LED source boasts its high brightness, long lifespan, stable performance and low power consumption advantages. It is very suitable for DIY bicycle tail light!<!--Features --><p>FEATURES</p><ul><li> Easy installation and long lifespan</li><li> Low voltage makes it safe and reliable</li><li> Appealing red and blue dual colors, can be a decoration for bicycle</li><li> No ultraviolet ray, no infrared, no pollution and thermal radiation</li><li> Provide bright and soft light </li><li> USB rechargeable style, eco-friendly and energy-saving</li><li> Protect your eyes from dazzling, fatigue and aching </li></ul><!--Specifications --><p>Specifications</p><TABLE class=ke-zeroborder cellSpacing=0 cellPadding=0 width="100%" border=0><TBODY><TR><TD width=131>Material</TD><TD width=365>Plastic</TD></TR><TR><TD width=131>Color</TD><TD width=365>Black</TD></TR><TR><TD width=131>Dimensions</TD><TD width=365>(3.15 x 0.67 x 1.06)" / (8 x 1.7 x 2.7)cm (L x W x H)</TD></TR><TR><TD width=131>Quantity</TD><TD width=365>1 Piece</TD></TR><TR><TD width=131>Weight</TD><TD width=365>1.06oz / 30g</TD></TR><TR><TD width=131>Model</TD><TD width=365>Standard/High/Over Dive/50%Flashing/100%Flashing/St</TD></TR><TR><TD width=131>Power Supply</TD><TD width=365>Rechargeable Lithium Polymer Battery</TD></TR><TR><TD width=131>Voltage</TD><TD width=365>3.7V</TD></TR><TR><TD width=131>Capacity</TD><TD width=365>500mAh</TD></TR><TR><TD width=131>Light Color</TD><TD width=365>Red &amp; Blue</TD></TR><TR><TD width=131>Fit for</TD><TD width=365>22~31.8mm(Handlebar Mount)</TD></TR><TR><TD width=131>Lumen</TD><TD width=365>100-120Lumens</TD></TR><TR><TD width=131>Waterproof Rate</TD><TD width=365>Living Waterproof</TD></TR></TBODY></TABLE><P><IMG alt="" src="http://www.image-tmart.com/info_images/image1.png"></P><IMG alt="" src="http://www.image-tmart.com/info_images/image2.png"><P>&nbsp;</P><IMG alt="" src="http://www.image-tmart.com/info_images/image3.png"><P>&nbsp;</P><IMG alt="" src="http://www.image-tmart.com/info_images/image4.png"><P>&nbsp;</P><!--Package Includes --><p>Package Includes</p><ul><li>1 x Bicycle Taillight</li><li>1 xUSB Cable</li><li>1 xStrap</li><li>1 xManual</li></ul><!--Extra Info --><!--produts_compatibility -->