This head up display can display rich contents: driving speed, RPM engine speed, driving distance, voltage, fuel consumption, water temperature and driving time. This new version with 2 display ways: read directly from the unit; switch to HUD mode, read from windshield. 2 display way, free switch. Features: Multi-color design makes the screen more abundant and easier to read. The use of nano-technology to eliminate unwanted reflections and can make display information more sharper. Display rich content: driving speed, RPM engine speed, driving distance, voltage, fuel consumption, water temperature and driving time. This new version with 2 display ways: read directly from the unit; switch to HUD mode, read from windshield. 2 display way, free switch. Auto power on and off with vehicle started and shutdown, effective protection of the car battery; while retaining the manual switch mode, and more easy to control HUD. Specifications: Model: P9 Color: black Material: ABS Environment temperature: -40c- + 80c atmospheric pressure 86-106KPa Working voltage: 9V ~ 16Vdc (12Vdc / 400mA) Product size: 11.8*4.5*4.3cm Product weight: 110g Package size: 14.6 * 8.8 * 4.8cm / 5.7 * 3.5 * 1.9in Package weight: 197g / 6.9oz Package List: 1 * HUD Host 1 * OBD Cable 1 * Non-slip Mat 1 * User Manual