Tickets are no fun. Calibrating a speedometer isn't a great deal of fun either. AutoMeters GPS Speedometer Interface is the no fuss solution to complete your speedometer installation. Ideal for offroad applications with large wheel and tire combinations, racing gearboxes, and applications where packaging considerations prevent conventional speed sensor or cable installations.Specifications: Attachment Method GPS Connector Gender Male Dimensions 3.080 in. x 3.700 in. x 0.920 in. Pressure N/A Temperature N/A Thread Size N/A Type GPS Voltage 12 V WARNING CA Proposition 65 Yes WARNING CA Proposition 65 Message WARNING: This product can expose you to chemicals; which are known to the State of California to cause cancer. For more information; visit www.p65warnings.ca.gov. Wire Quantity 3 Description_DES SENSOR MODULE; GPS SPEEDOMETER INTERFACE; 16FT. CABLE; INCL. GPS ANTENNA Description_EXT SENSOR MODULE; GPS SPEEDOMETER INTERFACE; 16FT. CABLE; INCL. GPS ANTENNA Description_FAB Plug And Play w/AutoMeter Electronic Programmable Speedometers Description_FAB Lightning Quick 10Hz Signal Update Rate Is The Fastest Available Description_FAB Fully Sealed And Paintable Magnetic Micro Antenna Description_FAB Incl. 16 ft. Of Wiring For Plenty Of Mounting Versatility Description_FAB GPS Module Is Fully Sealed Against Water And Dust Description_FAB Incl. 6.5 ft. Wiring Harness Description_FAB One-Touch Calibration Description_INV GPS SPEEDOMETER INTERFACE MODULE Description_MKT Tickets are no fun. Calibrating a speedometer isn't a great deal of fun either. AutoMeters GPS Speedometer Interface is the no fuss solution to complete your speedometer installation. Ideal for offroad applications with large wheel and tire combinations, racing gearboxes, and applications where packaging considerations prevent conventional speed sensor or cable installations. Description_SHO GPS SPEEDOMTR MODULE