6 Pcs Electronic Accessories: 1 x PWM DC Motor Speed Controller Forward Reverse Switch Control 1203B & 5 x DC Power Jack PCB Mount ConnectorMaximum current: 3APotentiometer with switch functionWith reversing controlSize: 32mm * 50mm * 15mmColor : Black + greenMaterial: ABS + Metal + PlasticProduct Name : DC Power Jack PCB Mount ConnectorType : 5.5mmx2.1mm SocketPin : 3 PinDC Power Jack PCB Mount Connector Size : 15 x 14 x 9mmInput voltage: DC6V-28VDC Power Jack PCB Mount Connector Weight : 8gPackage Contents:1 x PWM DC Motor Speed Controller Forward Reverse Switch Control 1203B5 x DC Power Jack PCB Mount ConnectorOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.