Features and Benefits * Ultra bright UV/Blue LED light * 6 levels of sensitivity (15 levels of detection) * Tri-colored visual leak level indicator * Mute function detects leaks as small as 1/10 oz. per year * Detects all refrigerants: CFCs, HCFCs, HFCs This kit offers the “INSPECTOR” (Digital microprocessor controlled electronic leak detector) and the UV Dye Injection System. The “cartridge type” Mini Dye Injector is fast and easy to use. Just twist the handle to inject the appropriate amount of dye. Includes dye cleaner and UV safety glasses, dye injector with 10 application dye cartridge, dye injector hose with R12 adapter all in a custom molded carrying case.