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).
* Metal rings broke is 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, must destroy the problem parts at our demand, and show us pictures before we resend new the parts for warranty .