Hiki Ziki Air Fryer Oven, 4.0 L Healthy Oil-Free Air Fryer, Electric Vegetable Air Fryer Easy Operation with Simple Knob Controls for Frying, Roasting, Grilling, Baking, Tray & Food Tong Included ? Specification Rated power: 1300-1500W Capacity: 4.2 quarts / 4 liters (2-4 parts) Temperature range: 0 ? - 200 ? time: 1-30 minutes rated voltage: 220-240V~ 50-60Hz ? Cleaning and maintenance : 1. Clean the machine immediately after each use. 2. The inside of the fryer is covered with a non-stick layer. 3. Do not use metal kitchen utensils or abrasive cleaning materials, as this will damage the non-stick layer. 4. After cooking, unplug the power socket to cool the air fryer. Take out the fryer to allow the machine to cool down faster. 5. If the bottom of the fryer is stained with oil, pour hot water into the pot and soak for about 10 minutes. Add detergent and rinse with a non-abrasive sponge. 6. The frying basket can be cleaned in the dishwasher. 7. If you need to clean the heating pipe on the top of your door, use a clean brush to clean it after cooling.