The TP-8646 OPTIMAX Jr/EZ-Shot A/C Kit features the OPTIMAX Jr cordless, compact, super-bright blue light LED flashlight. It also includes an EZ-Shot A/C dye injection gun with hose and coupler, an 8 oz. BigEZ universal dye cartridge for all A/C systems (treats up to 64 vehicles), an 8 oz. spray bottle of GLO-AWAY dye cleaner, fluorescence-enhancing glasses and underhood labels packed in a rugged plastic case.