Our electric lunch box use 200W high power, conduct heat evenly. Steam circulation heating design for fast heating. So it only takes about 15-20 minutes for you to have a hot meal, you don't have to worry about eating cold meals every day. With this lunch box, you can heat or cook your meal at home, dormitory, office or during travel. (It takes about 30 minutes for the food to fully cooked).Ditch that long line wait time.Ideal food container not only for you, as well as adults who are on diet. Cook for yourself and enioy healthy. Our electric cooking lunch box is made of food grade PP material, inner container is made of 304 Stainless Steel. High quality temperature resistant, non fragile material which is totally nontoxic and healthy. (PLEASE CLEAN WITH DISH SOAP BEFORE FIRST USE, THEN ADD 30ML OF WATER TO THE LUNCH BOX TO COOK ALL BOWLS ONCE.) The lunch box is designed in travel size for easy portability. Double leak-proof carabiner. No water auto shut off, 4 hours keep warm. Convenient for you to use in any place. Product name:Electric lunch box Configure capacity:1L liner x4 voltage frequency:220V-50HZ Product power:430W (The product printed words may vary depending on the batch, but this does not affect use) Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage:AC100-240V Color:As Shown Material:ABS Package Contents: 1 * Electric Lunch Box 1 * adapter