Usage Tips:Color HUD head-up display,GPS Beidou dual data plug and play. Dual system display,Cars after 08 are suitable for OBD display, and GPS system is suitable for all models. Display speed limit and speeding warning,When the vehicle exceeds the speed limit in front of the speed limit electronic eye, the speed on the windshield will immediately warn the owner that the speed has exceeded the limit. When the speed is within the specified speed, the warning will stop. Integrated button design,Independent button design, just press and choose what you need. Chemicals of High Concern: None Type:GPS Digital Speedometer Colour:As Shown Material:Plastic Package Contents: 1 * Digital Speedometer Only the above package content, other products are not included. Note: Light reflection 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.