Description: Apply to all cars and trucks. Plug and Play. 5.5'' screen and high-definition display. Blue white color design makes the screen more clear and easier to read. The use of nano-technology to eliminate unwanted reflections and can make display information more sharper. Display rich content: speed,driving direction,driving time, driving distance, real time, satellite number, altitude,speed alarm,free switching between kilometer and mile. Specification: Working Voltage: DC8-18-24V Working current: 40mA sleeping current: 15mA 12V car charger: 1000mA?USB cable Size: Approx. 125*75*15mm/5*3*0.6 Inch Material: ABS Plastic 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. Automatic and manual brightness adjustment mode, driving without glare. USB interface, to connect the USB car charger Button for power on and off Setting button:Three way wave button, short or long press Up button = up motion Ok button = inward button press Down button = down motion Package Includes: 1 Piece HUD host 1 Piece Car Charger 1 Piece Mat 1 Piece Reflective film 1 Piece Manual