Product DescriptionClassic look with modern function. Hemper brings you this Vape Battery that fits any standard 510 threaded cartridge. Featuring a large battery capacity to provide a longer experience without frequent charging!SPECS2 clicks to enter the preheat mode; the light will be on until the preheat is finished (10 Seconds)3 clicks to change the voltage from 3.0v (Green) to 3.7v (Blue) to 4.2v (Red)5 clicks to turn on/off the deviceSize: 45mm x45mm x 20mmCapacity: 900mahBuilt-in USB chargerProtection: short circuit / overcharge / overtimeWHAT'S INCLUDED1 Pipe Vape Battery1 USB cable