If you are not completely satisfied with a product purchased from Thetis, you may return it within 14 days of the delivery date for refund (to your original form of payment only) if qualified (eligibility conditions listed below). Thetis will repair or replace defective products at no charge, using new or refurbished replacement parts are our discretion. Replacements may be different but functionally equivalent models. All shipping, handling, and insurance charges are additional and non-refundable. Normally, all returns for non-defective reasons (e.g. customer changed mind) are subject to a restocking fee up to 30%. This fee does not apply to defective product returned within the first 14 days. For all returns shipping must be prepaid, insured and bearing a Return Material Authorization (RMA) number on the shipping label and/or container. Any shipping charges incurred when returning product to Thetis are the responsibility of the customer. Fill out our online returns form at https://thetis.io/pages/contact for an RMA number, which will be required to ensure proper crediting of your account. We cannot accept returns without an RMA number. Returned products must be undamaged, clean, and in otherwise new condition with all original materials i.e. original packaging, manuals and accessories, and must be accompanied by the original invoice.