Specification: Name: Smart temperature display vacuum cup Capacity: 500ml Material: 304 stainless steel Size: 22.5x6.2cm/8.85x2.55inch Package includes: 1X Vacuum cup Notes: Do not wash the cover in water, or rinse it with water, otherwise water will enter the cover, short circuit the circuit board, and the intelligent temperature display function will fail. feature: 1. Portable and durable. Perfect for travel, outdoor activities, car, office, home, school, picnic, hot yoga, hiking, camping and more. 2. Adopt high-definition LCD touch screen, real-time water temperature display prompt. Allows you to drink water at the most suitable temperature anytime, anywhere to prevent scalding your mouth. 3. Built-in large-capacity battery, long battery life, no need to replace, can be automatically turned off when not in use, each display 3-4 seconds, very power saving, the battery can be used for about 3 years. 4. Super thermal insulation effect, after tens of thousands of tests, it can keep warm for up to 12 hours and keep cold for up to 12hours. 5. Built-in food grade silicone sealing ring, no water leakage, easy to carry. 6. Built-in 304 stainless steel tea compartment, convenient for making tea, can be taken out when not in use. 7. Made of 304 stainless steel, double-layer vacuum design, safe, BPA-free, environmentally friendly, no odor, easy to clean. 8. The bottom is non-slip and wear-resistant, and the plastic protective layer is designed to be non-slip and anti-rollover, and placed firmly. 9. This thermos water bottle is also a good container for coffee, juicer, milk, beer, beverages and daily hydration. 5. Suitable for adults, students, best gift for family and friends, can be used as Christmas, New Year, Valentine's Day, Birthday, Anniversary, Mother's Day, Father's Day, company gift.