Switch PANEL:--- Material: Aluminum alloy and plastic--- Current: 30A--- Voltage: 12V--- Universal for 12V vehicles.--- Red engine start button with 3+1 toggle switch for additional use.--- This ignition switch is likely to control the ignition of the car, reduce the power impedance, and improve ignition performance.--- LED one-button start switch, convenient to use.--- Switches with a cap to avoid mis-touching.--- Built-in light indicator 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