This AB switch allows you to share any peripherals with Coaxial BNC interface like radio, television, and test instruments. It is an alternative to the RCA connector when used for composite video on commercial video devices. Guaranteed up to 25,000 switching cycles. It has heavy duty plastic case & sealed rotary switch to prevent dust and moisture, gold-plated contacts and 5 Year Warranty. (Connectors: 15 Coaxial BNC Female)