Switch PANEL:--- Material: Aluminum alloy and plastic--- Current: 30A--- Voltage: 12V--- Operating temperature: -20 to 85 degrees Celsius--- Universal for 12V vehicles.--- Red engine start button with one toggle switch for additional use.--- This ignition switch is likely to control the ignition of the car, reduce the impedance of the power supply, and improve ignition performance.--- LED one-button start switch, conventional to use.--- Built-in indication lights in the on/off switch and the start button. Please note that this panel only looks like carbon fiber, it is not made of real carbon. Relay:--- Material: plastic--- No 40A 14VDC--- NC 30A 14VDC--- Max. Switching Current: 40A--- Max. Switching Voltage: 30VDC--- Max. Switching Power: 560W--- Can fit for configurations of automotive, automotive sound systems, security systems, etc. Package Included:1 x Switch Panel1 x Relay1 x Wiring Harness