This is a portable electric heating lunch box designed for warming food at home, the office, or in a vehicle.
Product Features
Dual Functionality: Designed for both heating food and keeping it warm using PTC heating elements, which are energy-saving and safe.
Portability: Features a foldable handle and compact design, making it suitable for travel, school, or work.
Power Compatibility: Many models are "3-in-1" or "2-in-1," supporting multiple voltages such as 12V/24V for cars and trucks and 110V/220V for home or office use.
Safety Warnings
According to the packaging in your image, there are several strict prohibitions:
No Water Immersion: Do not immerse the unit in water for cleaning.
No Freezing: It is prohibited to place it in a freezer.
No Microwaving: It must not be used in a microwave oven for heating.