Car Digital GPS Satelite Speedo Speed Meter KMH HUD Head Up Display UniversalFeatures: HUD: automobile HUD head up display, which displays digital driving speed on its own HD display. The exquisite and compact appearance does not occupy large space in the car. The large green eye care font will not appear double images in the noon sun. Display speed in KMH only. GPS speedometer: collect speed data from GPS satellite, which will not damage the vehicle circuit board or OBD port, and can be widely used for SUV, ATV, pickup truck,