If you are not completely satisfied with your Alpha-Stim® unit, return it within 30 days (applies to purchases only, not rental devices), return postage paid by customer, in its original salable condition, including all accessories, original packaging and manual. Please contact us to obtain a return authorization number. The purchase price will be refunded minus a 10% restocking fee. This policy applies only to Alpha-Stim® units purchased directly from Allevia Health, Inc. Because of the nature of these products, sales of accessories, supplies, tapes, books and multiple units are final. Please see our rental policy for instructions on returns of rental devices. For your protection, all packages should be sent to us through a traceable and insurable method. Please allow 21 days for us to process your credit.