【Upgraded Safety Materials】The water heater adopts food-grade 304 stainless steel inner tank, adopts an upgraded encrypted leak-proof cover, and a double-layer thermal insulation design to protect users from being scalded. Note: The silicone stopper on the lid needs to be opened when heating. 【Anti-scald cup body】The hollow heat insulation is combined with the ABS anti-scald outer layer to provide double protection. It will not be hot when boiling, and it is safer to touch. 【Plugged heat preservation function】 12-hour constant temperature standby function, allowing you to have a heart-warming temperature when you wake up. 【LCD display temperature】The temperature is displayed on the liquid crystal display, the heating process is easy to control, and the water temperature is known at the touch of a button. 【Boil water anytime, anywhere】Delicate and compact, light weight and easy to carry around, the normal water cup size has boiling water function, perfect for travel, travel, vacation and camping vacations. Fits easily into a car cup holder, backpack or travel case.