Description: Keep your eyes ahead, No need to low downto see dashboard, ensure a safe driving. Function: speed, mileage, compass, satellite icon, speed unit. Works for all vehicles. Over speed alarm, fatigue driving alarm. 1.8 inch LED display with adaptive photosensitivity which adjusts the brightness automatically according to the light intensity. Compatible with 5V USB power supply, for 12 or 24 volt systems, easy to install. High-performance processing chip and dual-core processor ensure smooth high-speed operation. Specification: Material:PC ABS Screen type: LED Color: Black Compatibility: all cars Model: G5 GPS Head-up display Input: 5-12V For 12 or 24 Volt Systems Alarm: Overspend alarm, Fatigue driving alarm Connection: USB connector, can work on all vehicles Display information: Vehicle Speed Number of Satalites + Compass Vehicle Speed + Unit + Compass Milage + Compass Compass Angle + Compass Size Chart: 64.7x59.8x73.8mm/2.55x2.35x2.91inch Package Includes: 1 Piece Host 1 Piece USB Cable 1 Piece Non-slip Mat Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!