85mm GPS Speedometer Odometer 200MPH 0‑300KM/H IP67 LCD Red Backlight for 12V/24V Cars Boats Yachts Item Type: Speedometer Material: 316L Stainless Steel Bezel + Anti-Fog Glass Installation Diameter: Approx. Φ85mm/3.3in Indication Range: 0-200MPH, 0-300KM/H Input Signal: GPS with Antenna Working Current: ≤100mA Working Temperature: -30℃ to + 75℃ Storage Temperature: -40℃ to + 85℃ Dustproof and Waterproof: IP67 Mode: LCD display, stepping motor Application: 12V/24V vehicles, boats, yachts, RVs and other vehicles Backlight Color: Red How e: Fix the meter on the dashboard and connect the power cord. Installation: 1. Open a hole with a diameter of 85mm on the cabin panel and instrument panel, insert the instrument into the hole, the panel corresponding to the instrument panel is marked with a boss, and make a small notch at this position to ensure that it is on the back of the instrument At least 85mm instrument panel. 2. After installing the instrument into the panel, screw it down with a fixing ring (not included). 3. Connect the wires, and the instrument shell is directly connected to the 12/24v power supply. 4. Insert the wire harness and fix it firmly on the table. Wiring Instruction: The red wire to the positive The blue wire to the negative The orange wire to the backlight