Full Technical Support - Even if you haven't made a purchase yet - you are still a valued customer. Considering which item is better for you - please contact us and our qualified specialists will help you make the best choice; the warranty period is stated in the description of the product. If the warranty period is 200 days unless otherwise stated in the product description. This warranty is non-transferable. It is only applicable to guide customers in presenting proof of purchase, that is, the original invoice. Seller's maximum liability is limited to the purchase price of the product sold by HQRP-US. HQRP-US is not liable for punitive, consequential or special damages for injury.