List Price: $169.99 Deal Price: $88.38 You Save: $81.61 (48%)The Roadi Turbo Gauge 4-in-1 vehicle trip computer provides instant feedback while simultaneously tracking four sets of trip data. Functions include a trip computer that tracks fuel economy, multiple digital gauges that provide information your dashboard doesn't, a scan tool that displays Check Engine Light trouble codes for easy diagnosis, and a car black box that records up to 300 hours of driving data that can be viewed later. The Turbo Gauge is perfect for commuters who want to track milage and fuel use, recording data for fleet vehicle usage, and for parents of teenage drivers. It is compatible with 1996 and newer vehicles including gas, diesel, propane, and hybrid engines.Expires Feb 25, 2011