Fangrui Product Details 1000ml Smart Thermal Bottle Keep Cold And Hot Bottle Temperature Display Intelligent Thermos For Water Tea Coffee Vacuum Flasks : -with Lcd Display To Prompt Real-time Water Temperature By Contact -304 Stainless Steel, Safe And Bpa Free - 24hours Of Hot Or Cold Water - Stylish Mirror, By Touching The Led Screen, The Internal Temperature Of The Liquid Is Easy To Understand. - You Don't Have To Use Your Mouth To Test The Temperature And Avoid Burns. 360 Degree Rotation Does Not Need To Worry About Water Leakage, And The Sealing Is Good. - Suitable For Easy Travel, Suitable For Outdoor Sports, Office, Beach, School, Picnic, Hot Yoga, Hiking, Camping, Cycling, Running, Walking, Gym, Fitness, Etc. - Long-lasting Insulation: The Vacuum Of The Cup Will Hinder Heat Transfer. - Our Products Maintain Liquid Heating Above 42 C For 6 Hours And Liquids Below 10 C For 5 Hours. This Is Longer Than Other Vacuum Bottles. - (after 24 Hours In Water At 100 C, The Temperature Is Maintained At About 45 C) Specification: Product Name: Smart Thermos Bottle Material: Stainless Steel Capacity: 1000ml/500ml Package Included: 1 Pcs Smart Water Bottle