Description: Durable and high quality Using the receiver as power supply Suitable for 1/10 1/8 1/12 TAMIYA CC01 AXIAL SCX10 RC4WD D90 RC Crawler Car Truck Material: Metal Voltage: 4.8 ~ 6V Instructions : the power line is connected to the third channel receiver(CH3) Size Chart: LxWxH: Approx 168x112x40mm/6.61x4.41x1.57inch Package Includes: 1 Piece Roof Rack(Lights is not included) Note: Due to manual measurement, there may be 1-2mm error in size