Highly efficient decontamination, instant disintegration of oil stains Using nano-decomposition technology, it quickly dissolves stubborn oil stains, dust and oxide layers in the engine compartment. No need to scrub hard, just one spray to clean, and restore the original luster of metal and pipelines. Rinse-free formula, time-saving and safer Unique "dry cleaning" process, automatically volatilizes after spraying, no water flushing is required, avoiding the risk of water ingress to electronic components, especially suitable for modern models with dense precision circuits, cleaning and maintenance in one step. Anti-corrosion and anti-rust, extending engine life Adding metal protection ingredients, while cleaning, forming an antioxidant film, preventing circuit aging and rubber parts from cracking, effectively reducing the hidden danger of high temperature in the engine caused by oil accumulation. Environmentally friendly , zero burden on operation Water-based environmentally friendly formula, no harm to hands, no pungent odor, in line with EU RoHS standards, no additional protection is required during operation, and it can be easily used in the garage or outdoors. Universal application, maintenance in multiple scenarios Compatible with the engine compartment of fuel vehicles/new energy vehicles, it can also be used to clean , battery pack and other parts. One can handle the oil stain care of the whole vehicle, which is a maintenance tool for car owners and repair shops. Package: 1 pcs Car engine compartment cleaner