WD-40 lubricant spray is an American brand and the trademark of a water displacing spray which is a non conductor of electricity and quickly eliminate moisture-induced short circuit. It Is use to protect metal from rusting and corrosion, penetrates stuck or jammed parts, displaces moisture, and indicate just about anything. WD-40 is also great for cleaning greases, grime and other marks from most surfaces. It makes it easy to wipe them away and also dissolve adhesives, allowing the easy removal label, tapes and stickers. It also loosens rust-to-metal bond and frees stuck, frozen or rusted metal part. WD-40 displaces moisture, it quickly dries out electrical systems to eliminate moisture induced short circuit which makes it multipurpose pray lubricant. It's in a 400ml liquid can.