DY-40 Muti-Purpose Anti-rust LubricantHigh performance anti rust lubricant oil. Widely used on cars, electronics, metal and industry machines. Excellent penetrating to narrow gaps. Lubricating, loosens rusted parts. Clean and Protects ( anti rust ), Stop Squeaks. Drives out moisture. Safety Turn Off Turn Off the power of electronics before spraying The application environment Do not use it under a high temperature environment, away from the direct sunlight, Storage Its better to store it