The X-Force AIO 2000mAh Starter Kit by SMOK is a sleek, ultra-portable kit that has everything you need. At 102.5mm by 52mm by 30.4mm, this pioneering device features an internal 2000mAh rechargeable battery, an operating voltage range of 3.4V to 4.2V and charging current of 0.6A to 0.7A. The X-Force AIO 2000mAh Starter Kit is controlled by a convenient single stealth firing bar with a direct voltage-based output system and five LED battery indicator lights for instant feedback on the state of the battery. It is also employed with safety features such as 8 second protection, short circuit protection and low voltage protection. The X-Force AIO 2000mAh Starter Kit integrates an impressive tank with a 7mL juice capacity, top PCTG construction, top airflow design, top design filling hole and traverse coil airflow design. Fully constructed with ergonomic carved lines that make it comfortable to hold in the hand, the X-Force AIO 2000mAh Starter Kit by SMOK is a great addition to the collection.