Serfas Thunderbolt (UTL-6) Tail Light is universal rear light which you can use for your electric skateboard. Although it's important to see where you are going, it's just as important to be seen! This is no problem with the 35 lumens of brightness. Besides this, the 30 micro-LED strip will let your presence be known to cars and bikes alike. The Serfas Thunderbolt Tail Light comes with rechargeable USB port and removable straps which allow endless mounting options.