
http://www.plxdevices.com/R-500_productinfo.htm
1. Accurately measures Air/Fuel Ratio, EGT, and Knock
2. Integrated 6 Inputs for data logging (2 Speed, 4 Analog)
3. Over 80 minutes of onboard memory for recording and PC download
4. Built-in amplifier for audible knock output to speakers or headphones
5. 4 analog outputs (User configurable)
6. Fully customizable LED warning light or shift light
7. High speed USB 2.0 interface
8. Powerful 32 bit integrated processor, RAM, and FLASH technologies
9. 100% backwards compatible with M-Series controllers
10. Compact dash mountable design (4.75 x 2.25 x 1 inch)
11. Sensor soft start circuitry, prolongs o2 sensor life
12. Powerful PC analysis software included (PLX Logger Version 2.0+ Free Download)
13. Field firmware upgradeable (more features added to R-500 regularly)