XIUH Intelligent Stainless Steel Vacuum Flask LED Temperature Display Vacuum Flask Feature: waterproofs rating: IPX7 Insulation technology: tailless vacuum technology Material: 304 stainless steel Product capacity: 500ML The cup lidisequipped with electronics. When your hand touches the cup, the temperature will be displayed. Thereisno need to charge. The intelligent display life of each cupisabout 20,000 times when the temperatureisdisplayed. Instructions: 1. Before using for the first time, the inner tank should be washed clean. 2. Wash the inner tank with a small amount of hot water or ice water first, (do not use steel wire balls to clean it), then pour it out, and refill it with boiled water or ice water to ensure a better heat preservation effect. 3. After each use, please clean and keep dry. 4. Itisnot advisable to store carbonated beverages in the cup for a long time to extend the service life of the Thermoses cup. 5. Don't get close to the heat source, and don't hit it violently. 6. Keep out of the reach of children to avoid burns.[Precautions]: (1). Please pay attention to avoid burns A. Avoid children can get them at will B. Do not tilt the bottle quickly when drinking C. Do not pour excessive amounts of drink to avoid overflow of the drink when the switchisturned on D. Don't use it while driving E. Do not open the switch and cover when the productistilted or switched, and the coverisaside. Package Content: 1 x smart mug Material:Stainless Steel Suitable for daily kitchen use Lightweight and durable, it can meet your daily kitchen needs and make your kitchen work more convenient. Size:9.83 inch X 9.83 inch X 3.54 inch Dear customer, if you have any questions, please feel free to contact us and we will reply within 48 hours.