here is more info:
Motec ADL Digital Dashboard and Data Logger. For the ultimate in advanced engine control technology! The ADL is found in the cockpit of many Formula 1, Indy, and professional race cars worldwide. Even offered as standard equipment on the Porsche 959 Racer, the ADL is the world leader in adaptable driver information displays. The ADL replaces all factory equipment such as tachometer, speedometer, temperature gauges, and pressure gauges. Fully programmable, it projects hundreds of selectable data streams on its compact LCD screen, and is even able to datalog dozens of channels simultaneously. Its features are unlimited! Contact us for more detailed information. Price ADL only: $3,257.22
Motec ADL Backlight Option. For easy night viewing, adds a nice subtle green backlighting effect to the powerful ADL dash. Price: $646.00 additional
here is price list of motec
http://www.capa.com.au/prices_capa_performance.htm