Portable Electric Lunch Box Specification Voltage: 110V Power: 300W Frequency: 50Hz Material: PP+Stainless Steel Weight: 1175g(2 layers)/1505g(3 layers) Size: 240*130*150mm(2 layers)/240*130*200mm(3 layers) Product Detail Stainless Steel Food grade 304 stainless steel container，non-toxic and easy to clean Sturdy Lock & Handle Sturdy lock protect food container from falling. Leather handle anti-scald and not cut finger Seal Lid Seal lid for each food container, keep your lunch fresh and not leaking Read more Cooking Rice Cooking raw rice within 35-45 minutes, you don't have to cook rice in advance Dry Burning Protection It stops working automatically when water running out, no worry about dry burning Adjustable Capacity Separated food containers, free switching between 2 and 3 layers according to your need Modern Appearance 3 colors to choose, white for office, pink for girls and green for fashion Read more 4 Steps Heating Your Lunch Warm Tips To keep your electric lunch box a long lifetime, please pay attention to these tips when using. 1.Please remove the seal lid on the food container before heating 2.Please not open the lunch box instantly when heating just finished to avoid scald 3.It takes 20-30 minutes to heat food and 30-40 min to cook rice Using Instruction Heat Your Lunch with Portable Electric Food Warmer in Office It is easy to heat your lunch with electric food warmer. It usually takes 15-25 minutes to heat lunch and 35-45 minutes to cooking rice. Step 1: Add suitable water into heating unit with measuring cup Step 2: Put food container with prepared food into heating unit Step 3: Close cover Step 4: Plug in and push switch button Read more Treat Your Stomach Well Let Longem warm your stomach Read more