The Arizer Air 2 vaporizer is one of the best dry herb vaporizers on the market. It has one of the longest lasting batteries amongst all the vape brands. The Arizer Air 2 uses a hybrid approach to heating dry herbs. It's primarily conduction based with a little bit of convection. The digital temperature control lets you adjust the heat by the single digit. a travel case is included so you can take your Arizer Air 2 vaporizer anywhere you want.