The Tracerline TP-8659 OEM-Grade R-1234yf A/C Leak Detection Kit is designed to pinpoint leaks in automotive A/C systems. The kit features premium-quality, fluorescent dyes. The kit includes TP-8655 OPTI-PRO plus, a cordless, violet light leak detection flashlight with a rechargeable battery; the EZ-Ject A/C dye injector assembly with hose/coupler and purge fitting; a 0.5 oz EZ-Ject R-1234yf/PAG multi-dose A/C dye cartridge for servicing up to 14 vehicles, a smart A/C charger and fluorescence-enhancing glasses. All components are packed in a sturdy carrying case.