ATC-2000, ATC3K, and ATC5K Adventure Cams can only be returned if the package is unopened and undamaged, with the original packing slip, box and all manuals and warrantee documents, within 60 DAYS of purchase for a refund of the purchase price, less a 20% restocking charge. If you open the original packaging, you CAN NOT return it. All returns MUST be accompanied by the original packing slip. ALL OREGON SCIENTIFIC ATC-2000, ATC3K and ATC5K are WARRANTIED BY THE MANUFACTURER. Contact Oregon Scientific for warranty information at 1-800-853-8883. Send us an e-mail (via our Contact Page) for a return authorization.