Introductory Leak Detection Kit for A/C Professionals. The Spotgun Jr. System is cost effective without lowering the quality of your work. Don't be fooled by inferior injection systems that are inefficient and will cost you more and lessen your results. New with LED-Lite, a compact fluorescent leak detection light with 6 LEDs to illuminate all UV leak detection dyes. Kit includes: Spotgun Jr. injector, LED fluorescent leak detection light with 6 LEDs (3 AA batteries included), Universal A/C dye cartridge (SAE-J2297 certified and OEM approved dye) - Services up to 10 vehicles, R134a adapter, R12 adapter, UV protection glasses, Service stickers, and Storage Case. Lifetime warranty on every injection gun.