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 | One year from the date of purchase. | 
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|  | Exclusions: | 
|  | Defects that are not caused by the quality of merchandise,Improper installation, misuse, vehicle crash, acts of nature, etc. | 
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|  | Replacement Procedure: | 
|  | Step one: Customer send us the photo of defective merchandise. | 
|  | Step two: Ordinarily check by our technology worker. | 
|  | Step three: Two options by us. First one: send replacement together with new order for the customer without defective merchandise back to us; Second choice: Customer will be requested to send back the complele merchandise back to us for further inspect and replacement. (Right now we have achieved GF34 ballast 100% replaced to customers based on the photo which show us clear manufacture code and wire cutting) | 
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