Connector Protector helps avoid electrical failure by locking out moisture and avoiding corrosion.Protective dielectric silicon material that will protect your sockets, headlights/taillights, sensors, pigtails etc. from the harmful weather. This hydrophobic grease is non-petroleum, synthetic, and withstands high temperature. It is meant to stay put and lock out harmful moisture that will corrode important electrical connections. Connector Protector will not harm rubber or plastic components. Recommended for use with any electrical-connection including Coocases, AdMore, Electrical-Connections, Powerlet, Gerbings etc.