My friend, this link contains 5 SKUs, each with pictures displayed. Please choose the SKU you need to purchase. If you make an incorrect purchase, you will be responsible. Thank you for your understanding. If you have any questions, please contact customer service.

My friend, the product is suitable for models after 2008 and is not compatible with Nissan cars. Please confirm before purchasing

Reminder: My friend, if you encounter sensors that cannot be fully matched, please press and hold the right button for three seconds after powering on the host to enter the matching interface. Remove the sensor and wait for 10 seconds before installing it, allowing the device to sense and read the air pressure before tightening it. Operate all four tires in this way and see if they match

X91 Slope Meter Features :

1.TPMS tire pressure monitoring function: X91 is designed with TPMS tire pressure monitoring function, which allows to monitor various conditions of tires, like the pressure, temperature and abnormal alarm functions of four tires at the same times.

2.Slope meter function: Real-times measurement of vehicle rolling angle and pitch angle. Accurately display the downhill/uphill and left/right inclination value and equipped with over-slope alarm.

3.Accuracy positioning system: Equipped with a high-precision dual-channel satellite GPS signal module, which can locate the current position of the vehicle, provide latitude and longitude, vehicle speed, altitude and precise compass direction, and no longer get lost while driving.

4.Color HD LCD Display: Adjust the screen brightness through the light intensity sensed by the light source sensor. Color HD LCD screen design with high resolution. Day and night, can be displayed in high definition.

Installation Steps：

Park the car on a level surface and stick the back adhesive to fix it somewhere with easy vision, and manually adjust it to the horizontal level. Then connect the power supply to receive the satellite GPS signal until each data display is normal before driving.Exterior Sensor Installation(See pictures).

Specifications:

Power Supply: DC 10V ~ 30V

Pitch Angle: -40°~ +40°

times Error: ＜ 1minute

Voltage Precision: 0.5V

GPS Cold Start Duration: 32s（ Average）

GPS Update Rate: 1S

Dimension: 70*59*59 (mm)

Working Temperature: -40℃ +80℃

Roll Angle: -40°~ +40°

Voltage Range: DC 5V ~ 30V

Speed Precision: ＜ 0.36Km/h

GPS Hot Start Duration: 1s(Average)

Wireless Transmission Frequency: 2.4GHz

Weight: 603g

Packing List：

1pcs * X91 TPMS Smart Slope Meter Main unit

1pcs* Cigare Lighter

4pcs* External Tire Pressure Sensor

1set* Screw Tool

1pcs* Manual

X90 Product Description:

X90 is a smart GPS multi-functional horizontal speedometer for driving, fully supports high-precision monitoring of car speed,vehicle tilt angle, vehicle pitch angle changes, compass, time and car battery voltage status, to ensure your driving safety.

Feature:

★Applicable to Asian cars, American cars, European cars.

★Equipped with high-precision satellite GPS signal module.

★Automatically monitor vehicle driving conditions.

★Adjust the brightness of the screen by using the sensitivity of the light sensor.

★Free rotation, which is more sensitive.

★It adopts color HD LCD display with high resolution.

Function:

Precisely shows vehicle tilt angle with clear notification, when the angle is over 40°, alarm alerts.

Precisely show vehicle pitch angle changes,when the angle is over 40°the alarm alerts to insure your safety.

After connected to power supply, there will be backlight inside, which will help you see accurately in case of night or dark situation.

Elevation error within 5- 100 meters.

After the vehicle starts the speedometer starts automatically, after car parking the meter will be in sleep mode automatically.

Over speed alarm.

Fatigue driving alarm alerts after driving for 4 hours

Specification:

Power: DC 10V~30V

Depression&Elevation angle: -40℃ +40℃

Clock Error Value: < 1 minute

Voltage measurement accuracy: O.5V

GPS Cold Boot Time: 32s (average)

GPS Data Refresh Time: 1s

Working Temperature: -40℃ ~ +80℃

Roll Angle:-40℃ +40℃

Voltage Measurement Range: DC5V~30V

Speed Accuracy: < 0.36Km/h

GPS Hot Boot Time: 1s (average)

Wireless Transmission Frequency:2.4GHz

Product Size:170*68*60(mm)

Instruction:

Park the car on a level surface, stick the adhesive on the product, adjust and fix it in the vehicle for easy horizontal view.

Before driving, connect the power supply and wait to receive the satellite GPS signal until the data shows normal.

Long and hold the setting button and click the start button to adjust the electronic clock.

Press and hold the start button, and click the setting button to adjust the time of the X90.

Package Included:

1*X90 HUD

1*Cigare lighter

1*Fixed pad

1*Instruction manual

1*Packing box

How To Switch From Miles To Km?

it supports both MPH/h and KM/h

Press M , switch MPH/h inch and KM/h metric

(Note: Altitude is in feet in MPH/h mode and meters in KM/h mode)

(Explanation: MPH/h lights up to MPH/h Mode, MPH/h is off to indicate KM/h mode)

How to adjust the time?

In the state of power off, press the power button. After the screen lights up, press and hold the M button / power button 3-4 seconds immediately

1. Decrease time: Long press the M key will automatically enter the time adjustment interface.

M key (left): adjust the hour hand, power button (on the right): adjust the second hand.

2. Add time: long press the power button.

some country's time is slower /faster than GPS time some hours

You can adjust time according to the user manual

M60: