Features: brand new and high quality Safty driving, Keep your eyes ahead, No need to down your for head to see Dashboard while driving. Features GPS navigation direction compass that aids the driver by indicating directions. With speed calibration function,adjustable to be exactly the same as the speed of the car dashboard. Easy installation without wiring. for all for cars, trucks, bikes, & motorcycles. Specifications: Material:ABS Size:Approx.12.2x6.2x3.8cm/4.80x2.44x1.50in Net Weight:180g Note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x GPS Speedometer