Seller: trinwind (29,941) 99.3%, Location: Shanghai, Ships to: Worldwide, Item: 122076780540 LM317 In DC or AC 4V-30V Out DC 1.5V-27V 1A Converter - For DOA (Defective on Arrival) item, please notify us to obtain a merchandise return code and shipping instruction. Then, send it back within 14 days upon date of receipt. Return shipping costs will be at your expenses. - We only accept the returned item with full packaging materials without being used. After receiving your returned item, it will take 7 days for evaluation and investigation. A brand new replacement unit will be sent to you at our shipping costs if unit is proved to be defective. - Please NOTE: We don't accept returns via any EXPRESS SERVICES (Including: EMS, UPS, FedEx, and DHL etc.) - Buyer pays for returns. If it is proved as defect item, we will refund the return postage based on the bill issued by posts. All returns via express service will be refused, unless the buyer pay for the duty. We are a professional foreign trade e-commerce company, mainly engaged in foreign trade B2C platform business. Our foucs includes automobile parts and accessories, household items, professional tools, etc. Our company is energetic and creative and wish to bring you great service and amazing experience. We hope you enjoy the shopping in our store. Your satisfaction is my priority. If you have any questions please let me know. I will make effort to provide timely response and do my best to make you satisfied!