Elevate your travel experience with the 12V Warmer Cooler Smart Cooling & Heating Car Cup, a 2-in-1 temperature display cup holder designed for the on-the-go lifestyle. Engineered with an innovative tower-type wind collection multiplier first structure, this cup holder maximizes fan blade area within a compact space, ensuring your beverages are quickly cooled or warmed to perfection. Compatible with both 12V and 24V vehicles, it features smart temperature control, allowing you to enjoy your favorite drinks at the ideal temperature, ranging from a chilly -3°C to a cozy 72°C. Constructed from high-quality ABS and aluminum, it offers durability and excellent insulation. Whether you're craving a hot coffee on a cold morning drive or a cool beverage during long journeys, this easy-to-use, one-button operation device is your perfect companion. Suitable for use in cars, offices, homes, and hotels, it emphasizes convenience and efficiency, ensuring your beverage is always at the desired temperature. Please note, for optimal performance, use a flat-bottomed metal container to enhance the conductive heating and cooling effect.