4 in 1 Heated Lunch Box：The heated lunch box supports 110V/220V for home/office，12V cars and 24V trucks，drivers can have homemade hot meals on the road，road workers and office workers can enjoy hot meals at home.On the construction site or in the office.Say goodbye to unhealthy fast food and cold sandwiches and enjoy hot and delicious homemade meals. 【Fast heating, delicious】The heated lunch box supports 110V/220V for home/office，12V cars and 24V trucks，drivers can have homemade hot meals on the road，road workers and office workers can enjoy hot meals at home.On the construction site or in the office.Say goodbye to unhealthy fast food and cold sandwiches and enjoy homemade hot and delicious ... heated lunch box is equipped with a powerful heating system that heats up faster. It only takes 30-45 minutes to enjoy a delicious lunch. It adopts innovative PTC intelligent temperature control technology to heat the food evenly, keep it moist and fresh, and improve the flavor and taste of the