Vapor Storm M1 MOD is a lightweight and portable VV Box MOD with ergonomic design to make it comfortable in hand. Made of high quality ABS plastic material, the Vapor Storm M1 is suitable for C*B*D atomizer and also compatible with atomizers in a diameter of less than 12mm. Powered by built-in 800mAh battery. It supports high performance VV mode with 3 levels (3.4V/3.7V/4.2V) to fit vapers’ different vaping tastes. And it comes with LED Indicator to show the different voltage level(Red 3.4V, Blue 3.7V, Green 4.2V). 4 colors available.