Nilight 622PCS 1 2 3 4 5 6 Pin Electrical Connector ‎Plug Male Female Terminal Wire Connector Waterproof Quick Connect Set for Car Truck Motorcycle Marine Boat 43 Sets, 2 Years Warranty. The connectors are applied with the rubber seal to make it better dustproof and waterproof. The buckle design ensures that the contact is accurately and completely inserted into the shell and prevents it from slipping out of the connector plug, can also be easily removed when needed.