DB-Red Air/Fuel Ratio Gauge 3794 IM3794 No Sensor DB DIGITAL LED GAUGE, RED The Innovate Motorsports DB gauges are 52mm (2 1/16") air fuel gauges. Each gauge features a bright LED (available in blue or red). Each kit includes the gauge, an LC-2 wideband controller, oxygen sensor, bung, serial cable, and the award-winning LogWorks engine-tuning software.

Key benefits of the "DB" kits include:

The industry's most accurate and fastest-responding wideband controller.

One additional available analog output (one connects to the gauge).

Easy set up and wiring (instructions included).

LC-2 incIudes Innovate serial in & out for adding additional modular tuning system (MTS) components. (Gauge itself is analog only- no serial).

"Blackout" appearance when unpowered.

Log directly from the LC-2's digital output into laptop w/included software