Features and Benefits * Quick to install and runs fast through the system * Services up to 64 vehicle A/C systems * EZ-Shot dye injector is a caulking-gun style * Economy 50 watt 6 LED flashlight * All included in a plastic carrying case that is easy to store This kit is most economical! The kit has everything needed for A/C only leak detection (Low side injection), with an EZ-Shot dye injector. Includes the following: Inspection lamp, EZ-Shot a/c dye injection gun, R-134a hose and coupler with R-12 adapter/purge fitting, 8 oz BigEZ universal dye cartridge for all A/C systems, 8 oz spray bottle of GLO-AWAYdye cleaner, fluorescence-enhancing glasses, underhood labels, and an OPTI-Lite cordless, economy LED flashlight.