Dimension : 46MM*59MM*38MM (L*W*H）
There are 5 leds( indicators ) on the bike light , when the battery is full charge,they are green color , when the battery is almost no power , it will turn red , so at that time , you should full charge the battery pack again .
|LED Type||XM-L U2|
|Battry Type||4*18650 battery pack ( include )|
|Light Color||White Light|
|runtime||Max about 2-4hours|
|Case Material||Aluminum Alloy|
|Accessories Included||1*bike light,1* 4*18650 battery pack ,1*charger,1*head strap and other accessories|