Drinking Fountains features: 500ML Smart Insulation Cup Coffee Cup Led Digital Temperature Display Outdoor Travel Water Bottle Stainless Steel| Vacuum Flasks & Thermoses Feature: High-definition LCD touch screen, real-time temperature display, avoid the water temperature is too hot or too cold, so that you are most comfortable to drink the most suitable temperature of water. No need to charge, long battery life. The screen will automatically shut down when not in use, so there is no need to worry about the cumbersomeness of replacing the battery. 304 stainless steel liner, Double layer vacuum design, safe, eco-friendly, no smell and easy to clean. 5-layer process firmly locks the temperature, better heat preservation and cold preservation. It can keep hot or cold water for 12 hours. Leak-proof, portable, suitable for home, outdoor, travel, students, children Specificationas: Capacity: 500ml Size: As the picture shows Material: 304 stainless steel + food grade plastic Note: Do not put the lid in water for cleaning, or rinse with water, otherwise the water will enter the lid, short circuit the circuit board, and the intelligent temperature display function will fail. Tip: Because this thermos has a built-in battery To save power and extend battery life (reduce unwanted clicks), it takes 2-3 fingers to touch the display to show the temperature Packaging Includes: 1 x Smart thermos Cup