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.