The Aspire Carbon Fiber Mod is designed for low-resistance atomizers, Atlantis sub-ohm to be specific. The Apsire CF Mod has a spring loaded connector that guarantees a tight connection between mod and tank all the time. The mod is built with a smooth carbon fiber finish, and is available in three colors, Black, Blue, Red, and Silver. The Mod runs on a 18650 battery, which is not included and can be recharged through an external charging device. Aspire CF Mod has prominent safety features that will keep you safe while Vaping, short circuit detector and protects itself from over-discharging the battery.