Feature:1. Cordless Heating: The portable food warmer offers convenient cordless heating, eliminating the need for plugging in. It allows for easy control and can be used in various scenarios without the hassle of cords or power outlets.2. 3D Energy Concentrated Heating: This lunch box features innovative 3D energy concentrated heating technology, ensuring that heat reaches the inner layers of your food directly. This results in evenly heated and delicious meals without the need for adding water, eliminating steam and the risk of burns.3. Double Sealed Leak Proof Design: Designed with a double sealing mechanism, this electric lunch box food heater prevents leaks and spills, providing added safety and security to prevent accidents and spills during transportation.4. 1L Large Capacity: With a generous 1L capacity, this portable food heater is ideal for providing nutritious and filling meals for every serving, making it ideal for outdoor individuals looking to supplement their meals with warm, homemade food.5. Excellent 316 Stainless Steel Material: Crafted from excellent 316 stainless steel material, this food warmer lunch box is rugged, resistant to erosion, and easy to clean, ensuring long lasting performance and food safety.Specification:Item Type: Electric Lunch BoxMaterial: 316 Stainless SteelBattery Type: Li Battery, 4000mAhWeight: Approx. 1416.00g / 49.95oz.Package List:1 x Lunch Box1 x Insulation Bag1 x USB Cable1 x Manual