Stand out in the crowd. This unique box mod is ergonomically designed to exceed your vaping needs. The Chain Reaction from is a solid 50W device that takes a single 26650 IMR battery. The unique design makes it very comfortable to hold. The 3-button operation is very simple to use. Simply press the firing button to vape, the top button to increase your wattage, and the bottom button to decrease your wattage. This device is capable of firing down to 0.3Ω, but we recommend using atomizers with resistances of 0.5Ω and higher. The bright display will show your set wattage, output voltage, atomizer resistance, and battery life. The Chain Reaction has a carbon fiber style body that's extremely durable. This is the perfect mod for the vaper looking for something powerful and robust, yet simple that has excellent battery life!