Smart LED Temperature Display Thermos Flask

• Features an LED display showing real-time water temperature. • Double-wall vacuum insulation keeps drinks hot for up to 12 hours or cold for up to 24 hours. • Constructed from food-grade stainless steel for durability and to prevent flavor transfer. • Leak-proof lid with a secure seal for safe transport. • Ideal for hot beverages like coffee and tea, or cold drinks like water and juice. • Operates on a small, replaceable button battery for the LED display.