This is an ideal tool to detect AC gas leakage in car air conditioning system The dye is injected in the Car AC system by an Injection system supplied in the kit along with coupling and injection hose The leakage is traced with the help of UV Glasses and UV torch with LED light It is supplied with UV injection tool, adopter for R134a system, UV dye, UV Injection hose and UV torch It is supplied in a carry case and with batteries