Black Waterproof Antenna for Car Navigation Systems Set of 4, with long cables and compatible connectors. If your car's glass has been replaced, radio waves may not pass through well, but this product can be installed behind the bumper to solve this problem. - Quantity: Set of 4 - Color: Black - Cable Length: With long cables - Connector Type: 3 types of connectors - Application: Car navigation antenna Thank you for viewing.