Welcome to our store! 1、Excellent Performance: This GPS boat speedometer boasts low power consumption, extended lifespan, rapid location confirmation, and a short startup time. 2、Dual Protection: Features dual protection with curved glass and highly transparent PC material to prevent fog from entering the instrument, ensuring clear visibility. 3、Carefully Crafted: Utilizes imported chips for high accuracy and stable performance. Easy to install, with every detail meticulously crafted through multiple processes and rigorous testing. 4、High Indication Accuracy: Equipped with a stepper motor-driven pointer for precise engine speed display and a clear LCD display for mileage. 5、Wide Range of Applications: This GPS speedometer is suitable for cars, motorcycles, boats, saloon cars, yachts, engineering machinery, etc. Item Type: GPS Speedometer Material: ABS+Stainless Steel Lighting Color: 7 colors (adjustable) Signal: GPS Installation Caliber: Approx. 85mm/3.35in, ensure at least approx. 55mm/2.17in space behind the dashboard Operating Voltage: 9-32V DC Operating Current: ≤100mA Indication Range: 0-30KM/H Operating Temperature: -30℃ - +75℃ Storage Temperature: -40℃ - +80℃ Fitment: Suitable for cars, motorcycles, boats, saloon cars, yachts, engineering machinery, etc. Package Includes: 1 x GPS Speedometer 1 x GPS Receiver Box 1 x Instructions 1 x Screw Cap Your satisfaction is our top priority. We are committed to providing you with the best service. If you encounter any issues upon receiving the product, such as damage or incorrect quantity, please contact us immediately, and we will provide you with the best solution!