Name: Car LCD 2 in 1 Gauge (Speed Meter + Odometer Gauge) Features: Speedometer, Odometer, LCD Display, Overspeed Alarm, Waterproof Design Other Part Number: Auto Tuning Item Width: 85mm Manufacturer Part Number: Speedometer Placement on Vehicle: Front Item Height: 85mm Item Length: 85mm GPS Car Speedometer: LCD Instrument Panel Waterproof: Yes Feature: Alarm LCD Gauge Instrument Panel: Odometer Gauge Meter Working Voltage: 12V/24V Measuring Range: Speed 0-160km/h, Mileage 0-999999.9km Measurement Accuracy: 0.1% Overspeed Alarm: Adjustable Set Value, Default 80km/h Alarm Indicator: Visual Prompt in Upper Right Corner (No Sound) Compatible Wheel Pulse: Value "8" Speed Sensor Ratio: 1:624 Operating Temperature: -20C to 50C Operating Humidity: 45% - 75% RH Installation and Use: - Black wire: Connect to negative terminal of power supply - Red wire: Connect to positive terminal of sensor - Black wire: Connect to negative terminal of sensor - Yellow wire: Connect to G.X.S terminal of sensor Operation Instructions: 1. Start the vehicle 2. Short press button for 1 second to toggle between ODO and TIPA select ODO 3. Press and hold for 10 to 15 seconds to enter setup mode 4. After driving approximately 60 yards, press button for 1 second to display 000000 and enter setting function 5. Press and hold for 2 seconds to complete setup Color: Black Material: Plastic Package Contents: 1 x Car LCD 2 in 1 Gauge (Speed Meter + Odometer Gauge) Note: Other accessories not included Note: Lighting and display differences may cause slight color variation between image and actual item. Measurement error allowed within +/- 1-3cm. Professional installation is highly recommended.