... provide 3 year warranty, except for human factors.2.If the item is defective use by technical reason,you could sent back to ... free,but you should bear all the freight . Shipment1.Items are only shipped after payment is received.2.We provide EMS,DHL ... ,UPS,TNT,and by air and by sea is also OK.3.Delivery time:EMS,UPS,DHL,Fedex and ...