【Always Know the Temperature of Your Tea】The lid has a built-in smart chip, a renewal lithium battery and an LED display that shows the temperature of the water in the pot at the touch of your fingertips. 【Long-Term Thermal Insulation in 316 Stainless Steel】The inside of the teapot is made of food-grade stainless steel, which is highly resistant to corrosion and oxidation and provides good long-term thermal insulation. 【Good Thermal Insulation】100°C water at 75°C after 6 hours; 66°C after 9 hours; 60°C after 12 hours; 48°C after 24 hours. (Note: provided it is at room temperature of 25°C) 【Perfect 800ml Capacity for Easy Portability】Ideally sized for 1-2 people, it's perfect for home use, travel, or outdoor camping - a great companion for a quality lifestyle. 【Maintenance Note】After brewing tea or coffee, clean the kettle immediately to avoid stains, ensuring long-term optimal performance.