Product Highlights: 1. Intelligent Inclinometer Off-road 4X4 Car Acceories.2. Plug & Play: Start with the car and turn off with car's engine off.3. Easy installation: with cigarette lighter, can work on all vehicles.4. Built-in Slope Sensor: for pitching angle, roll angle measurement.5. Driving mode switch: Off-road driving mode & city driving mode are available.6. Roll angle reset;7. Built-in light sensor, can adjust the brightne automatically;8. Display data: Pitch Angle, Roll Angle, Voltage, Driving mode;9. Alarms: Tilt Angle Danger alarm, Pitch Angle Danger Alarm; Specification: Power supply: DC10V~30V;Operating temperature: -40C~+80C;Pitch angle: -40~+40;Roll angle: -40~+40;Voltage measurement range: DC10V~30V;Voltage measurement accuracy: 0.5V;Speed accuracy: Package Included: 1 x Head Up Display Vehicular intelligent Horizontal slope meterAlarm reminder / Fully automatic detection of vehicle driving condition Improve driving safetydriving mode displayRoll angle displayPitch angle display SLOPE METER DISPLAYLeft inclinationRight inclinationUphill slopDownhill slope High-definition LEDManual dimming Automatic turn on/offAutomatically turn on and off as the car starts and stop Real-time monitoringCar battery voltageReal-time monitoring of the battery voltage, so that the breakdown, failure to start, car lights and other problems caused by the voltage will no longer occur Multipleinstallation methodsMore easy for use About Q&A Q:Are the product photos real?A:Yes,All the photos displayed are 100% real.and photos are all taken by ourself.But maybe there are some color shading because of monitors.Q:How do I pay for my purchase?A:we accept the following payment methods: