This kit includes a UV flashlight and Enzyme Cleaner Spray will help you removing stains and pee odors from carpets. UV light can find stains nearly invisible for naked eye Just spray Angry Orange Enzyme Cleaner and let the formula clean and deodorize. Reformulated in 2019. Now stronger and more effective! The Enzyme cleaners in Angry Orange convert pet stains and other organic matter into Co2 and H2o! Enzyme-based cleaners also perform residual cleaning. They will continue cleaning well after the product has been applied. This improved product performance contributes to improved productivity. The enzymes can keep working for up to 80 hours after application, ensuring that soils and malodors are fully removed. Angry Orange has a fresh citrus scent, but does not smell, well, "super orange-e" like our famous original pet deodorizer. For a great 1-2 punch, feel free to combine our amazing products for a truly super-powered cleaning experience! These are must own pet supplies if you want you home to feel fresh and clean! Caution: keep out of reach of children. Not for human or animal consumption. Use only as directed. Discontinue use if irritation develops. Avoid eye contact. In case of eye contact, rinse immediately with warm water. Wash hands after use. If swallowed, seek medical advice.