Kettles Product Specifications:Material: 304 stainle steelPackage includes: 1Pcs* thermos bottleColor: Black ,WhiteSize: 500ml-Smart Digital Design :With HD LCD touch screen for prompt real-time water temperature display. Let you drink the water that is most suitable for temperature anytime, anywhere.-Insulation Material :Made of 304 stainle steel, double layer vacuum design, safe, BPA-free and eco-friendly, no smell and easy to clean. It can keep hot or cold water for 12 hours.-Multipurpose :This vacuum flask water bottle is also a good container for coffee, Juicer, milk, beer, drinks and daily hydration. Best Gift for family and friends.1. Due to the influence of light and monitor, the color may be slightly different.2. Due to manual measurement, please allow 0.5-1cm error. Thank you for your understanding!Tip: Because this thermos has a built-in battery! In order to save power and extend battery life (reduce unneceary clicks), it takes 2-3 fingers to touch the display to display the temperature! Please don't leave pictures in the comment section.Please don't leave pictures in the comment section.Please don't leave pictures in the comment section.