Large screen smart temperature display. Easy to understand the internal temperature of the liquid by touching the LED screen. It is not necessary to pass the mouth to check the temperature and avoid burns. 360 degree rotation does not have to worry about water leaks, and sealing is good. It is ideal for easy travel, perfect for outdoor sports, work, beach, school, office, picnic, yoga, hiking, camping, cycling, running, etc. Simple and practical, it is the best gift for friends, family, children, sons and daughters.