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 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 , dormitory, office or during travel. (It takes about 30 minutes for the food to fully cooked).Ditch that long line wait time food container not only , 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 , non fragile material which is totally 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 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 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 Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.