Peace be upon you. The yellow color in the back is because I had it stuck to the wall, nothing else. It's not damaged at all and has a one-week warranty. Brand: The trusted Tefal. Power and Capacity: 1400 to 1560 watts for fast and powerful performance. Capacity: 800 grams / 0.8 liters (enough to prepare meals for up to 4 people or two large portions of fries in just 15 minutes). Technology: 3D Air Pulse Technology for hot air circulation to ensure even cooking and irresistible crispiness. Temperature Control: Adjustable thermostat starting from 150°C up to 200°C, suitable for all recipes. Timer: Easy-to-use mechanical timer up to 30 minutes with an automatic shut-off feature to prevent food from burning. Electricity: Fully compatible with 220-volt electrical voltage. Easy to clean.