The Vapir NO2 is a small and easy to use portable vaporizer that runs on a lithium ion rechargeable battery and has a convenient LED temperature read out. The rechargeable battery is long lasting and will last multiple sessions before having to recharge it. The heat up time on the NO2 is only about 1 minute and it maintains it's heat very well. It also includes an auto shut off feature and even remembers your desired temperature to vaporize at. So when you turn it on the vape will automatically start heating up to the last temperature you used, adding to it's ease of use and convenience. Receive Free Priority Shipping and a FREE Herb Grinder with your Vaporizer!