Description: - 【Spacious Design】: This lunch box has a large capacity, making it great for students and office workers to meet their daily dining needs. - 【Material】: Made of 304 stainless steel lining, this electric lunch heater for adults is made of food grade materials, rustproof, ensuring secure and health. It is also easy to clean after use - 【Efficient Heating】: Equipped with an advanced heating system that provides 360° uniform heating, the heated lunch box keeps your meals deliciously warm without compromising on taste or texture - 【Constant Temperature Heating】: With constant temperature heating, self heating lunch box prevents overheating and uneven heating while maintaining optimal food quality. - 【Leakproof Design】: The leakproof design of the heated lunch container ensures no spills or leaks, making it great for commuting, dormitories or offices - Food Heater Specification: - Battery capacity: 12000mAh - Battery voltage: 11.1V - Input voltage: 5v - Input current: 2.5A - Heating power: 40W - Rated capacity: 1L - Charging time: 6-8 hours Size Chart: 23cmx12.5cmx9.5cm/9.06inchx4.92inchx3.74inch Package Includes: 1 Electric Heating Lunch Box Note: Please allow slightly errors due to manual measurement and different monitors.