Oilax Cito Pro Wax & CBD 2-in-1 Premium Battery Oilax Cito Pro wax vaporizer is designed with a single button operation, 2-click turns on a 15-second preheat mode 3-click switches the voltage between 3.4V, 3.6V, 3.8V, and 4.0V. The LED lights at the front display the current-voltage setting. The Oilax Cito Pro is built with a cartridge opening measuring 11mm in diameter and an option to enlarge the opening to 13mm. Cito kit comes with a 510-thread magnetic connector that provides a convenient exchange of attachments. With up to 13mm atomizer opening, the Oilax battery utilizes all of the vape cartridges available on the market. The Oilax Cito Pro 2 in 1 is shielded internally and equipped with five safety features: 15S Overtime Protection, Short Circuit Protection, Over Current Protection, Over-Discharge Protection, Overcharge Protection.