Kayfun Lite Style RTA is an upgraded version, built with a 2ml juice capacity with a bottom filling design and 33mm height. You are allowed to adjustable the size of the air hole within the range of 0 - 1.8mm according to the amount of vapor you prefer. And the bottom filling design avoids leaking while vaping. A user-friendly atomizer, close to you with a smaller size, simpler operation, and better vaping experience. Specifications: Brand: Kayfun Model: Lite Diameter: 24mm Tube: PEI Product Size: 2.4 x 2.4 x 4.7cm Package Size: 3 x 3 x 6cm Product Weight: 0.063kg Package Weight: 0.073kg