Features1Wide Applicability: This is a motor extension cable with male head 9 pin connector. Male head motor adapter is suitable for 250W 350W 500W motor. 2Conversion Cable: The cable is a conversion cable that can convert your motor (waterproof connector) to SM connector and extend its length. 3Male Head Waterproof Connectors: Male head waterproof connectors ensure maximum durability in all weather conditions, high performance wires and waterproof connectors ensure long term use and effectively reduce failure rates. 4Bicycle Lithium Battery Fittings: Bicycle lithium battery fittings for matching use, 160cm / 63.0in male head waterproof motor adapter. 5Easy to Use: Easy to use and fine workmanship. Without any difficult requirements even though you use it for the first time.SpecificationItem Type:9PinConversionLineWeight: Approx.155g / 5.5ozMaterial: Copper + PlasticProduct Size: Line Length: Approx.160cm / 63.0inConnector Type: Male Head WaterproofScope Of Application: Electric Bicycle MotorApplicability: Suitable For250W350W500W Motor.Package List1 x MotorConvert Extension Cable1 x Plastic Connector