Food warmer electric lunch box rice cooker specification: material: stainless steel food-grade polypropylene pp capacity: 2 l layer number: 3 layer rated voltage: 110 v rated power: 200 w size: 23 x 18 x 18 cm method of use: first of all put the water into base of the rice cooker then put rice into the inner pot and add water in this way the rice will be steamed install the steamer rack and put the food start switch it begin working. You can use the same way the other food steamed. If it runs out of water this product will automatically cut off power supply. To cook the rice it will take about 30 minutes. Package include: 1 x portable lunch box 3 x layers 1 x steaming rack 1 x power line warm note: if you encounter any problems with the product please contact us first we will reply you within 24 hours and will provide you with the best solution thank you. Please allow 1-3 cm differs due to manual measurement. Due to the different display and different light the picture may not reflect the actual color of the item. Thanks for your understanding.