After service (One Year Warranty):
* Please contact us in 7 days if there's any problems about the lights (Human-destroy or problems caused by your careless using like hitting the tree or stones, or the lights and parts lost or damaged during driving time are not in warranty), please be carefully when using or installing.
* Must be sure to show clear pictures and video at our demand once problems happened, we need to send to technology department to check out.
* After we confirm it's quality problem, we will resend you the parts with your new order, or some of them could send out by epacket for free which takes 25-35 working days (if they are bigger or long items can't sent by epcaket), or if you want the parts to be resent faster you are expected pay extra US$25-US$35 or more shipping cost to sent out by DHL depends on item's weight.
* Once we confirm the problems, need to destroy the problem parts at our demand, and show us pictures before we resend new the parts for warranty .