Quick Overview Modern white LED through-the-dial lighting provides clear visibility during nighttime use cable, which is required for operation. The dimensions for the antenna are quite small (1.472" x 1.339" x 0.508") allowing it to be easily hidden. The GPS antenna utilizes up to 3 GPS satellites simultaneously and samples 10 times per second No calibration is needed! Just wire up power, ground, and lighting, connect the antenna and you" re ready to go! The Gps Speedometers Rally Nav Screen Will Display Pertinent Information Such As Odometer, Trip Odometer, Date/Time, Gps Coordinates, Directional Heading, Peak Speed Recall, 0-60 Mph, 60-0 Mph, And Inclinometer (Pitch And Roll). Gauge kit includes GPS antenna, spade connectors for wiring, mounting hardware, and detailed instructions for installation 12 and 16 volt compatible, compatible with nearly every street car or race car electrical system Plug and Play, no calibration required! Utilizes up to 3 GPS satellites simultaneously and samples 10 times per second These highly accurate GPS Speedometers include an omnidirectional 10 Hz antenna (10 samples per second) with a 16ft. Attributes: GTIN: 00046074165610 Brand Name: AutoMeter Add-On: N/A Extended Information: Country of Origin: United States Emissions : Released Life Cycle Status: Available To Order Packing Information: Quantity of Each: 1 Package UOM: EA Dimension: 6.25 x 6 x 6.25 inches Weight: 1.25 lb