The Utillian 721 is an extremely easy vaporizer to use. Not only can it vaporize dry herb, but it also vaporizes concentrates! With 4 temperature settings and an "enhanced" mode, this vaporizer will give you exactly what your looking for! To change the heat setting, just press the button twice, and to turn on the "enhanced" mode, just press and hold the button. With over 60 min of battery life, you'll be able to have a pleasant vaping experience with the Utillian 721 all day!