翻译如下(麻烦翻译准确些哦,谢谢): Product Returns Policy All sales are final. New products are warranted for 30 days. Any return for repair or replacement must be pre-authorized by Amoeba Robotics Ltd. and under no circumstance will returns be accepted unless so authorized. Return products under warranty must be pre-approved by Amoeba Robotics Ltd. and sent via certified mail, prepaid and insured, for your protection. Please note we cannot refund shipping fees. If you receive damaged merchandise, you must contact Amoeba Robotics Ltd. within 2 days of receipt of your original order. Specify clearly the reason for your refusal. We will exchange returned merchandise for same new merchandise, within 7 days once we receive the returned damaged items from you. Proof of mailing is advised, as we cannot be held responsible for loss of the returned merchandise in mail transit. All return postage is non-refundable. The merchandise, including packing and wrapping material, being returned should be in the same condition as when you received them. Please contact us via e-mail: sales@robugtix.com.
Defective merchandise will be replaced or refunded at our discretion. We reserve the right to refuse to replace or refund any merchandise which our Amoeba Robotics Ltd. technicians determine to be damaged by the user, or through inappropriate use of that merchandise. Assembly instructions and user manual will be posted 2 weeks before the expected release date shown above.