Striker displays speed, min/max voltage, trip distance, time, ambient/engine temperature and two separate maintenance timers Striker speedometer/voltmeter digital gauge displays your vehicle’s battery voltage and has programmable LED indicator lights to warn when the charging system is overwhelmed Striker can operate on regulated AC or 12V DC electrical systems, so it works on almost any ATV, UTV, Motorcycle or SXS At only 4.2 inches, Striker can replace a dashboard’s entire instrument panel Kit Includes - 12 Millimeter Spark Plug Sensor, Magnet Kit, Wheel Sensor, Mounting, Power Lead