Newest M60 Car GPS HUD Speedometer Intelligent Inclinometer Off-road Speed Display Tilt Pitch Angle Compa For All Car Feature 1. 2 in 1 Smart Car Safety System: GPS HUD & Vehicle Inclinometer 2. Plug & Play: Start with the car and turn off with car's engine off. 3. Easy installation: with cigare lighter, can work on all vehicles. 4. Speed Unit:KM/H & MPH Switch freely. 5. Built-in high-precision GPS module with dual-channel satellites. Real-time display car's Speed,Voltage, also Attitude, Compa, Coordinates... 6. Built-in Slope Sensor: for pitching angle, roll angle measurement. 7. Different alarms: over-speed, over/high voltage, abnormal altitude, Fatigue driving, Tilt Angle Danger alarm, Pitch Angle Danger Alarm; 8. Support Clock & Driving speed calibration; Specification: Power Supply: DC 10V ~ 30V Pitch Angle: -40~ +40 Time Error: Voltage Precision: 0.5V GPS Cold Start Duration: 32s Average GPS Update Rate: 1S Dimension: 127*25*60mm (L*W*H) Working Temperature: -40 +80 Roll Angle: -40~ +40 Voltage Range: DC 10V ~ 30V Speed Precision: GPS Hot Start Duration: 1s(Average) Wirele Transmiion Frequency: 2.4GHz Weight: 230g Packing List 1x Main host 1x Holder 1x Cigare Lighter 1 set Installation Tool GPS HUD Dashboard + Inclinometer 2 in 1 Intelligent GPS Gauge 100% suitable for All Cars. GPS HUD Functions: Speed, Altitude, Longitude and Latitude, Compa, Voltage... Real-time measurement of vehicle rolling angle and pitch angle. Accurately display the downhill/uphill and left/right inclination value and equipped with over-slope alarm. Built-in light sensor, can adjust brightne automatically.