XIANQI Features 1.using CREE-T6 lights lamphighest the brightness of 3600 lumenslife 100000 hours 2.Intelligent control circuitsthree gears light circuitbothmiddle XML-T6 the lampcurrent output 2.0A,the brightness of 1200LM; second:two XML-T6 the lampcurrent output 4.0A,the brightness of 2400LM; three gearsthree XML-T6 lampwith light output current 6.0A,brightness as high as 3600LM. 3.Vacuum plating mirror reflective,high temperature resistant,prevent fall off,the effect is perfect. 4.Case used aluminum,CNC machining,anodic oxidation surface treatment. 5.Use 4*18650 battery,capacity:4400MAH,voltage:8.4V,work continuously 3 to 4 hours. Features: 1.fixed in on the bike,as a lamp use; 2.elastic deck,suitable for various types of bicycles,easy to remove the replacement. Note:A.charging put in safe place. B.do not remove the battery,will affect the product performance and dangerous Notes 1. Please allow slight measuring deviation due to manual measurement. 2. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you Colour: Black Size: 30*55*48mm Delivery Quantity: 1 Piece