Features:1. Insulation: The double vacuum reflects internal heat, and the vacuum insulation layer can block thermal convection. And conduction can delay the heat dissipation of the liquid contained in the inside.2. Temperature measurement: built-in powerful smart chip chip, with LCD display, screen cleaning exquisite. High-sensitivity temperature sensor, temperature sensing accuracy is 1C.3. Power saving: no need to replace the battery, and the screen will automatically stop when not in use, so there is no need to worry about replacing the battery and adding troubles.4. Portability: This product is small in size and light in weight, which is very convenient to carry around.5. Beautiful: This product is made with functional exquisite craftsmanship, and appearance is very stylish and beautiful.6.MultipurposeThis vacuum flask water bottle is also a good container for coffee, Juicer, milk, beer, drinks and daily hydration. Best Gift for family and friends7.Smart Digital DesignWith HD LCD touch screen for prompt real-time water temperature display. Let you drink the water that is most suitable for temperature anytime, anywhere.Specifications:Material: 304 inside and 201 outsideScreen: LEDColour: BlackCapacity: 500mlType: Thermos CupPackage Included:1 pc * Thermos Cup