304 Stainless Steel: Constructed from 304 stainless steel, ensuring durability and resistance to corrosion, making it suitable for long-term use in various environments. 12-24 Hours Insulation: Provides up to 24 hours of thermal insulation, keeping drinks hot or cold for extended periods, which is ideal for both indoor and outdoor activities. Temperature Display: Equipped with a temperature display, allowing users to monitor the water temperature accurately, enhancing the convenience and safety of use. material Stainless Steel thermal insulation performance 12-24 hours drinkware type Vacuum Flasks & Thermoses smart type Electronic power supply Built-in rechargeable battery Water Flowing Method Direct Drinking