UV LIGHT INSTRUCTIONS:1. Add dye to the system following dye injection instructions.2. Disconnect injector from the system and clean any excess dye left around the service port.3. Turn Engine and A/C system on.4. Allow dye to circulate throughout system.5. Turn on UV light6. WEAR PROTECTIVE GLASSES!!7. Search for a bright green/yellow glow where the system is leaking. Clean the area around leak after repair
True UV flashlight with high intensity bulb. Aluminum body with anodized finish. UV wave length of 390-400, 25000 hour life and includes safety UV glasses.