Description:1. This product is for drivers safety, at high speeds, especially in high-speed driving at night, in order to avoid the driverto look down their head to watch the instrument, and decrease car accident.2. The HUD can display driving datas on the front windshield such as speed on the car front window glass;avoiding driversunsafety because of watching the instrument while driving. Drivers can read the driving information instantly, and can alwayskeep the best state on the way with HUD. Feature:1. Available for any car, easy to install, plug & play 2.3.5 screen HD display. Multi-color design makes the screen more abundant & easier to read 3. Nano-technology to eliminate double reflections, more clear. Automatic & manual brightness adjustment mode, drivingwithout glare.4. Rich Contents: speed, compass, single driving time & distance, local time, satellite number, altitude, speed alarm, freeswitch between km & miles 5. Auto power on/off: HUD start & off with vehicle started & shutdown, effective protection of the car battery; retainingthe manual switch mode, more easy to control HUD. Specification: Screen 3.5 inches Working Voltage DC8-18-24 V Working Current 40m A Sleep Current 15m A Speed Range 0-400KMElectronic Compass Accuracy 1 degree Clock Accuracy Satellite atomic clock Protection Circuit Reverse voltage, Surge protection 12V Car Charger 1000m AHUD Size 90 x 54 x 12mm Package Included:1 X Head Up Display 1 X OBD Cable 1 X Reflection Film 1 X Mat 1 X English User Manual