Features It is a kind of BNC to 4 mm adapter connects two 4 mm banana plugs to a BNC socket 1 x BNC plug to 2 x 4mm terminal adaptor Useful adaptor comprising a male BNC plug terminated to twin 4mm terminals in red and black with 4mm sockets Signal is connected to red terminal Mini size and easy to use Specifications Connector Type AdapterConvert From Positions 1Convert From Gender Receptacle Convert To Positions 2 Convert To Gender SocketInsulator Polyamide Nylon Binding Posts Contacts Brass Nickel Plated BNC m Brass Center Contact Gold PlatedBNC Impedance 50Voltage 500VCurrent 3A Max Resistance 0 8mTemperature 20 degrees 80℃ 4 176℉Item Size Approx 6 x 3 x 1 5cm 2 4 x 1 2 x 0 6inItem Weight Approx 25 2g 0 9ozPackage Size Approx 6 x 3 x 1 5cm 2 4 x 1 2 x 0 6inPackage Weight Approx 28g 1 0oz Package included 1 x BNC to 4 mm AdapterDetail Pictures