Switch PANEL:--- Material: Aluminum alloy and plastic--- Current: 20A--- Voltage: 12V--- Owa resistance: 50m ohm Max.--- Operating temperature: -20 to 85 degrees Celsius--- Universal for 12V vehicles.--- Red engine start button with 4+1 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 actuation switch, conventional to use.--- Switches with the cap to avoid accidental touching.--- Built-in light indication in the on/off switch and start button. 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 automobile, automotive sound systems, security systems, etc. Package Included:1 x Switch Panel1 x Relay1 x Wiring Harness