Name: Car LCD 2 in 1 Gauge (Speed Meter + Odometer Gauge) Features: Speedometer 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: Speed Odometers Gauge Feature: Alarm LCD Gauge Instrument Panel: Odometer Gauge Meter Working Voltage: 12V/24V Measuring Range: 0M-160M Measurement Accuracy: 1M Working Environment Temperature: -20°C to 50°C Working Environment Humidity: 45% - 75% RH Measuring Range: Speed 0-160km/h, Mileage 0-999999.9km Overspeed Alarm: Driving speed set value Overspeed Alarm Value: 80km/h When overspeeding, the upper right alarm displays a prompt (no sound prompt) Magnetic Pairs: Value is "8" Speed: The value is 1:624 Measurement Accuracy: 0.1% Installation and Use: - Black wire connected to the negative of the power supply - Red wire connected to the + on the sensor - Black wire connected to the - on the sensor - Yellow wire connected to the G.X.S on the sensor Operation: 1. Start the car 2. Short press for 1 second – mileage shows ODO and TIPA rotation, select ODO 3. Press and hold for 10 to 15 seconds to display the mobile phone number 4. When vehicle starts and travels 60 yards, press for 1 second to display 000000 to enter setting function 5. Press for 2 seconds to complete setting Note: 1. Professional installation is highly recommended 2. High speed with quick response Color: Black Material: Plastic Package Contents: 1 x Car LCD 2 in 1 Gauge (Speed Meter + Odometer Gauge) Note: - Only the above package content included; other items not included - Lighting and display differences may cause slight color variation from the actual product - Measurement allowed error is +/- 1-3cm