** This brand requires that all warranty claims be handled with them directly.** —- About This Product —- From setup to use, Palm Pro provides the ultimate user-friendly experience. Simply drop the cartridge into the battery, adjust your preference, and draw. Whether you want more flavor or more vapor, Palm Pro has an option for you with three voltage settings. Palm Pro is able to deliver more than just adjustable voltage settings though. It also has an intuitive airflow collar. Control the suction resistance simply by adjusting the size of the gap. Palm Pro’s pre-heating feature lasts for 10 seconds and allows for delicious flavors and rich clouds from the first puff, even in cold weather. Simply give the button a long press and Palm Pro will take care of the rest for you. Pre-heating, voltage settings, and battery level indicators can all be found within this button and display. Battery Capacity: 500mAh - Dimensions: 2.26H x 1.65W x 0.54D (in) / 57.5H x 41.9W x 13.7D (mm) - 10-second preheat - 3 voltage settings (2.8/3.2/3.6V)