{"product_id":"gps-speedometer-and-tachometer-combo-2-in-1-110mm-gauge-with-gps-antenna","title":"GPS Speedometer and Tachometer Combo | 2 in 1 110mm Gauge with GPS Antenna","description":"\u003cp\u003eThis 2 in 1 gauge combines a GPS speedometer and tachometer in a single 110mm unit. It provides accurate speed readings up to 200 KMH and RPM monitoring up to 8000 RPM, making it a practical upgrade for cars, boats, and marine applications. The red backlight and turn signal indicators keep your dashboard clear and functional.\u003c\/p\u003e\n\u003cp\u003eInstall this gauge to replace your old speedometer or add a modern digital display to your vehicle. It works with universal gasoline and diesel engines on 12V or 24V systems. The included GPS antenna connects quickly for reliable satellite speed tracking without needing a mechanical sensor.\u003c\/p\u003e\n\u003cp\u003eThe tachometer monitors engine RPM to help you shift at the right time and avoid over-revving. With a built-in overspeed alarm and customizable speed ratio, you can adjust the gauge to match your vehicle's specific setup. The red backlight ensures visibility during night driving or low-light conditions.\u003c\/p\u003e\n\u003cp\u003eThis gauge is built with a durable plastic housing and a 110mm diameter face. It includes wiring for left and right turn signals, high beam indication, and a buzzer alarm. The simple button interface on the back lets you adjust settings for speed ratio, alarm thresholds, and trip reset.\u003c\/p\u003e\n\u003cp\u003eKey Features and Benefits\u003c\/p\u003e\u003cp\u003e- GPS speed measurement that provides accurate KMH or MPH readings without wheel sensors\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003eTachometer up to 8000 RPM that helps monitor engine performance and prevent over-revving\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eRed backlight that improves readability during nighttime or low-light driving conditions\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eTurn signal and high beam indicators that keep essential driving information on one gauge\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eOverspeed alarm that alerts you when you exceed a set speed limit for safer driving\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eUniversal 12V\/24V compatibility that works with gasoline and diesel engines in cars and boats\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eWho Is This For\u003c\/p\u003e\u003cp\u003e- Car owners who want a combined speedometer and tachometer for a cleaner dashboard layout\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003eBoat owners who need a GPS-based speed gauge that works on water without mechanical sensors\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eDIY mechanics and custom vehicle builders looking for a functional gauge for projects or restorations\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eDrivers who want an overspeed alarm and adjustable speed ratio for better control and safety\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eUsage Scenario\u003c\/p\u003e\u003cp\u003eMark was restoring an older pickup truck and wanted a modern dashboard without cutting new holes. He found the old speedometer was inaccurate and the tachometer was missing entirely. After installing this 2 in 1 gauge and connecting the GPS antenna, he had both speed and RPM readings on one clean display. The red backlight made it easy to see at night, and the overspeed alarm helped him stay within safe limits during highway driving. The gauge fit perfectly into the existing 110mm opening.\u003c\/p\u003e\n\u003cp\u003eMicro Comparison\u003c\/p\u003e\u003cp\u003eUnlike separate speedometer and tachometer units that take up more dashboard space, this 2 in 1 gauge combines both functions in a single 110mm housing. The GPS speed reading eliminates the need for mechanical speed sensors, which can fail or require calibration. The built-in turn signal and high beam indicators also reduce the number of separate lights needed on your dash.\u003c\/p\u003e\n\u003cp\u003eSpecifications\u003c\/p\u003e\u003cp\u003eMaterial: Plastic\u003c\/p\u003e\n\u003cp\u003eItem Diameter: 110 mm \/ 4.3 in\u003c\/p\u003e\n\u003cp\u003eSpeed Range: 0-120 KMH, 0-200 KMH, 0-120 MPH, 0-160 MPH\u003c\/p\u003e\n\u003cp\u003eRPM Range: 0-8000 RPM\u003c\/p\u003e\n\u003cp\u003eOperating Voltage: 9-32 VDC\u003c\/p\u003e\n\u003cp\u003eOperating Current: ≤100 mA\u003c\/p\u003e\n\u003cp\u003eOperating Temperature: -30 to 80°C \/ -22 to 176°F\u003c\/p\u003e\n\u003cp\u003eStorage Temperature: -40 to 85°C \/ -40 to 185°F\u003c\/p\u003e\n\u003cp\u003eBacklight Color: Red\u003c\/p\u003e\n\u003cp\u003eCompatibility: Universal gasoline and diesel engines, 12V\/24V systems\u003c\/p\u003e\n\u003cp\u003ePackage Includes\u003c\/p\u003e\u003cp\u003e- 1 x 110mm Gauge\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e1 x GPS Antenna\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003e1 x Manual\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eWhy You Will Love It\u003c\/p\u003e\u003cp\u003eYou get two essential instruments in one compact gauge, freeing up dashboard space for other accessories. The GPS speed reading is accurate and easy to set up without complicated wiring. The red backlight and clear indicators make driving at night more comfortable and safer.\u003c\/p\u003e\n\u003cp\u003eQuestions and Answers\u003c\/p\u003e\u003cp\u003eQuestion: Does this gauge work with a 12V car battery?\u003c\/p\u003e\u003cp\u003eAnswer: Yes, it works with both 12V and 24V systems, including standard car batteries.\u003c\/p\u003e\n\u003cp\u003eQuestion: Do I need a separate speed sensor for the speedometer?\u003c\/p\u003e\u003cp\u003eAnswer: No, the speed is measured by GPS through the included antenna.\u003c\/p\u003e\n\u003cp\u003eQuestion: Can I use this gauge in a boat?\u003c\/p\u003e\u003cp\u003eAnswer: Yes, it works on boats and marine vessels with gasoline or diesel engines.\u003c\/p\u003e\n\u003cp\u003eQuestion: How do I set the overspeed alarm?\u003c\/p\u003e\u003cp\u003eAnswer: Short press the button on the back twice to enter alarm adjustment mode, then press and hold to set the speed.\u003c\/p\u003e\n\u003cp\u003eQuestion: Does the gauge show both KMH and MPH?\u003c\/p\u003e\u003cp\u003eAnswer: Yes, you can choose between 0-120 KMH, 0-200 KMH, 0-120 MPH, or 0-160 MPH ranges.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S1102c691b7fe41d0ac2efc346254420bg.jpg\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Scd0ec09460f84ec287446b68edc9d58ex.jpg\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S79c4793f66f846a3ab7d527040d09c20g.jpg\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S70bafbf2aa6e435e91398bdbaab88c2aD.jpg\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S9c695848cdbb4c5a80f222f8faaa8191I.jpg\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sf0678509998e472bbd58b4d4664a3c2aD.jpg\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg 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