1. New car inclinometer - This smart GPS multi-function HUD speedometer is used for driving and fully supports high-precision monitoring of vehicle speed, driving coordinates, vehicle tilt angle, vehicle pitch angle, compass, time and car battery voltage status to ensure your driving Safety.2. Real-time monitoring - displays real-time voltage to ensure battery voltage status. The GPS satellite positioning vehicle obtains the current driving speed, knows your position at any time, and ensures that you are driving in the correct direction. This will be perfect for your travels and driving adventures.3. Safety Alarm System - Accurately displays and clearly notifies vehicle pitch and tilt angle changes, and sounds an alarm when one or both angles exceed 40 degrees. The alarm also sounds when you exceed the speed limit to ensure your safety.4. High-definition LCD display - adopts high-resolution color high-definition LCD display. You can adjust the brightness by short pressing the function selection button, which will greatly improve visibility. It helps you see data accurately at night or in dark conditions.5. Wide range of applications - equipped with high-precision satellite GPS signal module, supporting 99% of models on the market. Automatically monitor vehicle driving conditions. Perfectly compatible with vans, trucks, buses, cars, SUVs, SUVs and other vehicles.Specification:Power supply: DC 10V ~ 30VWorking temperature: -40 ~ +80Pitch angle: -40 ~ +40Roll angle: -40 ~ +40Clock error: < 1minuteVoltage measurement range: DC 5V~30VVoltage measurement accuracy: 0.5VSpeed accuracy: 0.36Km/hGPSCold start time: 32s (average)GPS hot start time: 1s (average)GPS data refresh rate: 1sWireless transmission frequency: 2.4GHzProduct size: 17*7*6 (mm)Weight: 203gpacking list:1*M60 smart slope meter host1* cigarette lighter power cord1* modified power cord