WD-40 Specialist Contact Cleaner 400ml is a specialized product designed for cleaning sensitive electronic components and electrical contacts. It is formulated to effectively remove dirt, dust, oil, and other contaminants from electronic equipment, circuit boards, switches, and precision instruments without leaving residue. Its fast-drying formula ensures quick evaporation without leaving any residue behind, making it safe for use on delicate components. it is made to be safe to use on live electrical equipment without causing short circuits or damage. Experience the difference in maintenance and performance of equipment with this contact cleaner.