The Sutra DBR Portable E-Nail enables convenience, power, precision and incredible flavor. This compact e-nail is smaller than many competing products making it easier and more convenient to use with out forfeiting desirable features, such as temperature control and range. You can monitor various aspect of your temperature setting using the OLED display on the front facing side of the device; such as, desired temperature, real time temperature, heating time, number of heating cycles and battery life. For additional smoothness, this device comes with a glass water filtration system. At the end of each draw, the bubbler can easily be cleared of all smoke by lifting the magnetic carb cap with the steel dabbing tool. Clearing the chamber will ensure that the next hit will be as fresh as the first. One of the biggest and best features about this e-nail is the replaceable 18650 battery that is included in the box. This feature provides the user with the option to recharge the battery with