Features:-With smart touch screen, with touch panel, you can quickly select different temperature ranges by pressing buttons.-The spring cover design allows you to open it with one hand, making it easy to drink water in any situation.-Equipped with an anti-dry-burn device, after heating to the set temperature, it will automatically keep warm for a long time.-It has wide applicability and can be used in DC 10V~24V various cars, buses, trucks, etc.-Made of medical grade 304 stainless steel and baby food grade PP, it is highly safe to use.-The capacity is 400 ml, which is suitable for work, school, travel, camping, etc. (Reminder: when heating, the bottle body will have a certain amount of heat, which is a normal phenomenon and does not affect the use!)Specific.