Uwell Ironfist Starter Kit features pairs the Ironfist mod with the Uwell Crown 3. The Ironfist features a convenient on/off toggle switch located on the bottom of the mod. The Ironfist can fire up to 200 watts and supports nickel 200, titanium and stainless steel wire in temperature control(TC) mode. The Ironfist requires 2 18650 batteries and may be charged via micro USB port. The Crown 3 features a 5ml juice capacity, top-filling system, and an innovative plug sub ohm coil system. The Crown 3 measures 24.5mm in diameter and can be refilled via threaded top-fill system. The new coil system has been optimized for the perfect balance of vapor and flavor production. Adopting a Parallel coil structure along with a convenient plug-pull mechanism for a fast and easy replacement process. Airflow for the Crown 3 is arranged in triple air slots around the base and provides ample cooling. The Uwell Ironfist Starter Kit has to be the best vape kit on the market today!