For more than 25 years, Altronics, Inc., inventor and patent holder of the Racing Weather Station, has been manufacturing a full line of innovative performance products for drag racing. Check out our line of PerformAIRE Weather Systems, DataQuest Recorders, EGT and Air/Fuel systems, Lithium Batteries, Electronic Paddle Shifters, Practice Trees, and Racing Logbook/Prediction Software. Altronics provides racer Tech Support 7 days a week! Call 847.923.0002 or log on to www.AltronicsInc.com Catalog is FREE!