{"product_id":"hd-customized-85mm-3-in-1-gauge-gps-speedometer-fuel-gauge-tachometer-with-antenna","title":"HD Customized 85mm 3 in 1 Gauge | GPS Speedometer, Fuel Gauge, Tachometer with Antenna","description":"\u003cp\u003eThis 85mm multifunctional gauge combines a GPS speedometer, fuel level gauge, and tachometer into one clean, easy-to-read display. It is designed for cars, trucks, boats, and diesel or gasoline engines, giving you real-time data without cluttering your dashboard.\u003c\/p\u003e\n\u003cp\u003eSave space and simplify your setup with this 3-in-1 instrument. It uses GPS to measure speed accurately up to 120 km\/h or 120 MPH, tracks engine RPM up to 8000, and monitors your fuel level. The 7-color backlight lets you match the display to your vehicle's interior or personal style.\u003c\/p\u003e\n\u003cp\u003eBuilt with a stainless steel 316L bezel and anti-fog curved glass, this gauge is waterproof to IP67 standards. It works with a 9-32V power supply and includes a tachometer sensor option. Installation is straightforward using the included multi-plug socket and cable.\u003c\/p\u003e\n\u003cp\u003eWhether you are upgrading a classic car, replacing old gauges on a boat, or building a custom dashboard, this unit delivers reliable information in one compact package. The antenna ensures a strong GPS signal for consistent speed readings.\u003c\/p\u003e\n\u003cp\u003eKey Features and Benefits\u003c\/p\u003e\u003cp\u003e- 3-in-1 design that combines GPS speedometer, fuel gauge, and tachometer to reduce dashboard clutter\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003eGPS-based speed measurement up to 120 km\/h or 120 MPH for accurate, calibration-free readings\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003e7-color backlight that lets you choose from red, green, blue, white, yellow, cyan, purple, or automatic cycling\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eStainless steel 316L bezel with anti-fog curved glass for durability and clear visibility in various conditions\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eIP67 waterproof rating that protects the gauge against water and dust in marine or outdoor use\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eWide working voltage range of 9-32V DC for compatibility with most 12V and 24V vehicle electrical systems\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eWho Is This For\u003c\/p\u003e\u003cp\u003e- Car and truck owners who want a clean, multi-function gauge replacement for their dashboard\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003eBoat owners looking for a waterproof, GPS-based speedometer and fuel monitor for marine use\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eDIY builders and custom vehicle enthusiasts who need a compact all-in-one instrument for their project\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eMechanics upgrading diesel or gasoline generator engines with a modern digital display\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eUsage Scenario\u003c\/p\u003e\u003cp\u003eMark runs a small boat repair shop. A customer brought in an old fishing boat with a broken speedometer and a fuel gauge that stopped working years ago. Instead of installing two separate gauges and running extra wiring, Mark mounted this 85mm 3-in-1 unit. The GPS antenna locked on quickly, the fuel sensor connected to the existing tank, and the tachometer gave the customer a way to monitor engine load. The job took half the time it would have with separate instruments, and the customer liked the color backlight that made the display easy to read at night.\u003c\/p\u003e\n\u003cp\u003eMicro Comparison\u003c\/p\u003e\u003cp\u003eUnlike individual gauges that require separate wiring, mounting holes, and dashboard space, this single 85mm unit combines three essential instruments. The GPS speedometer eliminates the need for mechanical speed sensors or calibration, while the adjustable fuel level sensor range makes it adaptable to different tank setups. Other multi-gauges may offer fewer backlight options or lack the IP67 waterproof rating needed for marine environments.\u003c\/p\u003e\n\u003cp\u003eSpecifications\u003c\/p\u003e\u003cp\u003eSize: 85 mm \/ 3.35 in\u003c\/p\u003e\n\u003cp\u003eGPS Speedometer Range: 0-120 km\/h or 0-120 MPH\u003c\/p\u003e\n\u003cp\u003eTachometer Range: 0-8000 RPM\u003c\/p\u003e\n\u003cp\u003eFuel Level Sensor Range: 0-190 ohms (adjustable to 240-33 ohms, 10-180 ohms, or 0-90 ohms)\u003c\/p\u003e\n\u003cp\u003eWorking Voltage: 9-32V DC\u003c\/p\u003e\n\u003cp\u003eWorking Current: Less than 100 mA\u003c\/p\u003e\n\u003cp\u003eWorking 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: 7 colors (red, green, blue, white, yellow, cyan, purple, automatic cycling)\u003c\/p\u003e\n\u003cp\u003eMaterial: Stainless steel 316L bezel, anti-fog curved glass\u003c\/p\u003e\n\u003cp\u003eWaterproof Rating: IP67\u003c\/p\u003e\n\u003cp\u003eTachometer Sensor Thread Options: M16 or M18\u003c\/p\u003e\n\u003cp\u003ePackage Includes\u003c\/p\u003e\u003cp\u003e- 1 x 85mm 3 in 1 Multifunctional Gauge\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e1 x Cable\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003e1 x Antenna\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003e1 x Installation Instruction\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eWhy You Will Love It\u003c\/p\u003e\u003cp\u003eYou will appreciate having a clean dashboard with one gauge doing the work of three. The GPS speed reading is always accurate without needing calibration, and the color backlight lets you personalize the look. It is built tough for marine and automotive use, so you can install it and forget about it.\u003c\/p\u003e\n\u003cp\u003eQuestions and Answers\u003c\/p\u003e\u003cp\u003eQuestion: Can this gauge be used on a motorcycle?\u003c\/p\u003e\u003cp\u003eAnswer: Yes, it works on motorcycles as long as you have a 12V or 24V electrical system and space for the 85mm mounting hole.\u003c\/p\u003e\n\u003cp\u003eQuestion: Does the GPS speedometer need a separate subscription or SIM card?\u003c\/p\u003e\u003cp\u003eAnswer: No, it uses standard GPS satellite signals and requires no subscription or data plan.\u003c\/p\u003e\n\u003cp\u003eQuestion: How do I change the backlight color?\u003c\/p\u003e\u003cp\u003eAnswer: You can cycle through the 7 colors using a button on the gauge. The default is red, and you can set it to stay on one color or cycle automatically.\u003c\/p\u003e\n\u003cp\u003eQuestion: What fuel sensor options are available?\u003c\/p\u003e\u003cp\u003eAnswer: The gauge works with fuel level sensors from 0-190 ohms. You can adjust the range to match your tank using settings on the gauge.\u003c\/p\u003e\n\u003cp\u003eQuestion: Is the tachometer sensor included with the gauge?\u003c\/p\u003e\u003cp\u003eAnswer: No, the tachometer sensor is sold separately. You can choose between M16 or M18 thread options when ordering the sensor.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"http:\/\/ae01.alicdn.com\/kf\/HTB1ynvdcL1G3KVjSZFkq6yK4XXaF.jpg\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"http:\/\/ae01.alicdn.com\/kf\/HTB1Q4nccLWG3KVjSZFPq6xaiXXaL.jpg\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S76b68f14f9df439fa6e43626227554a8v.jpg\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sbd2758168fcb431b959632a89fe91e86k.jpg\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sb4cb886dc0644177a044a5f6d9ece840v.jpg\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S8b0f187abea64af0acce6ad45185e1d6b.jpg\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S1a0bd3103ffa48afa02dbb41e0f44eb40.jpg\" 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