1. Small body, suitable for placing in any corner, clear and natural display effect, not blocking any line of sight.2. GPS compass: direction display, will not get lost in desert/plain.3. Professional solution design makes the performance more powerful and high-performance processing chip, super performance and compatibility, dual-running memory and dual-core processor to ensure smooth high-speed operation.4. USB power supply: complete power off when the engine shuts down, no battery drain.Function: vehicle speed, single driving mileage, driving direction, number of satellitesAlarm: speeding alarm, fatigue driving reminderDisplay size: 3-inchProduct size: 95 x 45 x 18mm / 3.74 x 1.77 x 0.71 inchApplicable scene: suitable for all modelsMaterial: ABScolour: blackPackage Contents:1 x HUD1 x USB Cable1 x Suction Cup Mount1 x Double Sided Adhesive Tape1 x English ManualOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.