Improves clarity and definition Faster & more reliable data transfers Reduces wear & abrasion "DeoxIT Gold (formerly ProGold), is a unique conditioning solution that improves conductivity and provides long-lasting protection on gold, base metals and other precious metal contacts and connections (gold, silver, rhodium, copper, bronze, nickel, etc.). Use on plated connectors, contacts and metal surfaces for maximum performance and protection. Temperature Range, -34 C to +240 C.