• Input connection-reverse protection function.
• Ultra-low Power consumption.

• Your bid is a contract - Place a bid only if you're serious about buying the item. If you are the winning bidder, you will enter into a legally biding contract to purchase the item. If payment is not received within 7 days, item may be offered to the next highest bidder or relisted at the seller sole discretion.

• Item will be shipped within 2 working days after full payment is received.
• Normally we ship items by international Airmail, it will take 7-15 working days to USA, and will be longer to Europe or other countries.
• We only ship to the approved address given in PayPal payment. Please make sure payment address in PayPal is correct. Any non-received items caused by invalid address registered on PayPal are not in our full refund or replacement policy.
• A notification email of dispatch will be sent to buyer after item is posted. Please email us if you don't receive our email after 5 days of full payment sent.
• Buyer's Information: We strive our best to provide you the most reliable, affordable way of shipping service. But sometimes international delivery is highly depended on the courier company and local customs/duties. If you do not receive your item on time, please contact us immediately for further assistance. Thank you for your understanding.

• We accept only PayPal payment.
• A non-payment dispute will be opened if full payment is not received after 14 days of auction.

In the unlikely event that a return is request, all returns must include all original items undamaged, in re-saleable condition, all original packaging including manuals, warranty forms, etc. Software sales are not refundable. Shipping and handling fees are not refundable. Buyer is responsible for shipping costs incurred shipping products back.