The unit was activated and used for testing purposes. If you have any questions, please ask. The cartridge has unlimited use. The item "Tria Acne Clearing Blue Light for Clear Skin 3352A-07" is in sale since Tuesday, December 6, 2016. This item is in the category "Health & Beauty\Shaving & Hair Removal\Laser Hair Removal & IPL".The seller is "takingoffersnow" and is located in Columbia, Tennessee. This item can be shipped to United States.