X91 5.3″ 12V Car Inclinometer TPMS Tire Pressure Monitor System GPS Head Up Display Slope Meter with Tire Pressure & Temperature, GPS Speedmeter,Theodolite, Compass, Time, Alarm, Votage

Function: A- Rolling angle scale indication area, real-time measurement of vehicle rolling angle, using free rotation, left and right angle is 40 degrees.
B-attached elevation scale indicator area, real-time measurement of the vehicle’s elevation angle, using free rotation, the front and rear angle is 40 degrees.
C- digital display area with elevation angle
D-roll angle digital display area
E-sound indicator icon, when this icon is lit, it is in mute state, when normal volume, this icon is in hidden state (set by key).
F-TPMS tire pressure monitoring area. This area displays the air pressure, temperature and various abnormal alarm functions of the four tires.
G-overspeed alarm indication icon. When the vehicle speed reaches the speed limit setting value, this icon will flash and an audible alarm will be issued.
H-GPS satellite speed display area, showing the current speed of the vehicle when the vehicle is driving.
I- is the display area of ​​longitude and latitude, and the coordinate position is updated in real time.
J-fatigue driving warning indicator icon, the device will alarm after 4 hours of operation.
K- is the compass display area, the direction position will be updated in real time.
L- is a satellite signal indication icon. When there is no satellite signal, this icon will flash continuously, indicating that it is searching for a signal. This icon will be on when there is a signal.
M- is the altitude display area, and the altitude information will be updated in real time.
The N-GPS satellite time display area will update the clock information in real time.
O- car battery voltage display area, showing the current battery voltage value.

5. Product parameters:
Power supply: DC 10V ~ 30V
Working temperature: -40℃ ~ +80℃
Pitch angle: -40°~ +40°
Roll angle: -40°~ +40°
Clock error: <1minute Voltage measurement range: DC 5V ~ 30V Voltage measurement accuracy: 0.5V<