The multi-functional electric lunch box is a stylish, convenient and healthy way to enjoy your meals on the go. no more fast food lunches and microwaving your meals. plug in an outlet and warm up your food right at your desk and enjoy. it is an electrical appliance that is designed to warm up your food anytime & anywhere. ... 3 electric lunch box warms up your office lunch/dinner to just the right temperature giving food that just cooked feel.