To customers: life is full of surprises. Package Includes: 1 x GPS Speedometer 1 x USB Power Cord 1 x User Manual 1 x Anti-slip Mat Item Name: GPS Speedometer Material: ABS, PC Features: USB Connect Plug And Play, Portable, Sensitive Size Details: L: 8cm, W: 5.4cm, H: 3.1cm Specifications: The length of this product is 8cm, the width is 5.4cm and the height is 3.1cm. Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. We strive for excellence. And hope you have a nice day! Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.