There are multiple display modes that this head up display can provide, which enables you to choose any one freely according to your actual needs. What this head up display can offer you are these appealing features such as speed, clock, direction of travel, single distance, single travel time, number of satellites, 100 km accelerator time, direction of travel angle, speed alarm, fatigue warning, kilometer/mile switching, automatic brightness adjustment Made of premium ABS, PC and electronic component, it is reliable and durable to use. The length of the product is 16.8cm, the width is 4.3cm, and the height is 1.6cm. It is universal for most vehicles. Item Name: Head Up Display Material: PC, ABS, Electronic Components Screen Size: 5.5 Inches Features: Overspeed Alarm, Multiple Modes, Fatigue Driving Reminder Size Details: 16.8cm x 4.3cm x 1.6cm/6.61" x 1.69" x 0.63" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Head Up Display 1 x USB Cable 1 x Double-sided Tape 1 x User Manual