Autometer Traditional Chrome 3 3 8in 140 MPH In Dash Full Sweep GPS Speedometer Horseshoe Bay Visitor Map by Landmark Media Issuu. The Latest In Technology And The Easiest Possible Way To Add A Highly Accurate Speedometer To Your Vehicle. Autometers Advanced Gps Speedometers Require No Interface With Your Vehicle Aside From Power And Ground. Their Ultra Fast, Omnidirectional Micro Antenna Is Included For True Plug And Play Functionality And Never Requires Calibration. Configurable Rally Nav Display Shows Odometer, Trip Odometer, Time Date, Gps Coordinates, Heading Info, Compass, And Peak Speed Recall. Quite Simply, The Easiest, Most Accurate Speedometer Available. Installation Instructions Gauge kit includes GPS antenna, spade connectors for wiring, bulb and socket assembly, red and green bulb covers, mounting hardware, and detailed instructions for installation Display features: Time Date, Cumulative Distance (odometer), Trip Distance (tripmeter), GPS Coordinates with Heading Info, Compass, and Peak Speed Recall These highly accurate GPS Speedometers include an omnidirectional 10 Hz antenna (10 samples per second) with a 16ft. The dimensions for the antenna are quite small (1. 472" x 1. 339" x 0. 508") allowing it to be easily hidden. 12 and 16 volt compatible, compatible with nearly every street car or race car electrical system The GPS antenna utilizes up to 3 GPS satellites simultaneously and samples 10 times per second Utilizes up to 3 GPS satellites simultaneously and samples 10 times per second Features a digital odometer with two user selectable tripmeters cable, which is required for operation. Plug and Play, no calibration required!