A:Answer Thank you for your question. Wattage for this unit is 800W. Always use fresh fruits and vegetables for juicing. Most fruits and hardier-type vegetables can be stored at cool room temperature. More delicate and perishable items such as tomatoes, berries, leafy greens, celery, cucumbers, and herbs should be stored in the refrigerator until required. This product is warranted to be free from defects in material and workmanship for a period of three (3) years from the date of original purchase. We ask that you maintain your sales receipt.