1、Wide Application: Inteligent HUD display is universal for cars, trucks, off‑road vehicles, locomotives etc. Avoids the danger of drivers looking down at the dashboard. It ensures the safety of drivers. 2、Easy Reading: Color high‑definition LCD display, simple and convenient for data reading. Automatically adjust the screen brightness, the mileage is clearly visible. 3、High Accuracy Speedometer: GPS obtains data from satellites, high‑precision data such as altitude, latitude and longitude, time, compass, driving direction, etc., to meet your needs. 4、Multifunctional: Voltage measurement, speeding alarm, fatigue driving alarm (4 hours of continuous driving will alarm), test the rolling angle and tilt angle of the vehicle, etc. 5、Intelligent Escort: Fashion appearance design, premium ABS and metal material for maximum durability. Intelligent escort, driving without losing your way, safe and reliable. Item Type: Smart HUD Display Material: ABS+Metal Power Supply: DC10V-30V Working Temperature: -40℃-＋80° Pitch Angle: -40°-＋40° Speed Accuracy: <0.36Km/h Roll Angle: -40°-+40° GPS Cold Start Time: 32s (average) GPS Data Refresh Rate: 1s GPS Hot Start Time: 1s (average) Size: Approx. 115x75x20mm/4.53x2.95x0.79inWireless Transmission Frequency: 2.4GHz; Accurate Satellite Speed Measurement: Yes Altitude Measurement Display Function: Yes Longitude And Latitude Measurement Display Function: Yes Compass Display: Yes Satellite Time Display: Yes Speeding Alarm: Yes Fatigue Driving Alarm: An alarm will be issued for 4 hours of continuous driving Test Vehicle Rolling Angle: Yes Vehicle Tilt Angle Test: Yes Applicable Models: Universally used for car modification 1 x Host 2 x Power cord 1 x Bracket 1 x Wrench 2 x Screw 1 x Manual