aaryashoppy 500 ML Thermos Insulated Hot Cold Flask LED Temperature Display Vacuum Bottle 500 ml Bottle  (Pack of 1, White, Steel, Silicone)

Waterproof LED display that can be completely submerged in water. Just touch the LED screen and the temperature of the liquid will show on the LED screen. You do not have to test the temperature with your mouth or risk to get burn. The travel mug is sealed and spill-proof to ensure perfect, safe sealing and reliable, leak-free performance. Therefore, after locking, you can place it anywhere. Avoid accidentally opening in the package. The vacuum of thermos flask's cup blocks heat transfer. The products hold liquid heat above 42 °C for up to 6 hours and liquid cooling below 10 °C for up to 5 hours. This is longer than other vacuum bottles. (After 24 hours at 100 °C water, the temperature is maintained at about 40 °C).