Features: Dual Purpose Heat Preservation Bag: This hot and cold insulated bag allows users to heat or cool food, beverages, and other items while traveling or in the car, solving the need for temperature control on the go. Portable Design: Lightweight and easy to carry, it operates on 12V DC/AC power for safe, continuous heating with automatic temperature control. It also functions as a cooling bag when used with ice packs in summer. Fast and Efficient Heating: Designed for fast heating and long-lasting heat retention. The standard version provides efficient warming, while the smart version offers adjustable temperature control for more precise performance. Ideal for Car Use: Can be powered in vehicles via cigarette lighter socket, making it convenient for picnics, outdoor meals, or family trips. Maintains food temperature and freshness in both summer and winter conditions. Wide Range of Uses: Suitable for home, travel, camping, hiking, outdoor adventures, baby food warming, and food delivery applications. Specification: Item Type: Vehicle Constant Temperature Heating Insulation Bag Insulation Bag Material: Food Grade Aluminum Foil, Cloth, Insulation Cotton, Ox Fabric Gross Weight: 579g / 20.4oz Product Size: Approx. 25 x 20 x 10cm / 9.8 x 7.9 x 3.9in Power: 90W Scope of Use: Car or Home Main Uses: Long-distance travel, road trips, outdoor activities Package List: 1 x Heating Bag 1 x Cigarette Lighter Cable 1 x Household Plug Adapter 1 x Strap