The very first display unit featuring Bluetooth wireless technology, officially licensed for PlayStation4, featuring 15 tachometer LEDs, 6 marshalling LEDs, a central numeric display gear indicator, and 2 side alphanumeric display areas! Main Features Display unit featuring Bluetooth wireless technology Officially licensed for PlayStation4 15 built-in LEDs for tachometer function (RPM) Central numeric display area indicating gear number Left and right alphanumeric display areas, each with 4-character x 14-segment displays 6 warning/marshalling LEDs positioned at the left and right of the unit 3 rotary selectors with push button function On/Off switch Adjustable brightness