Features: -Using GPS technology, it can measure vehicle speed accurately and reliably. -Equipped with a high-quality display that is clearly visible even in sunlight. -With universal compatibility, it is suitable for all car models, plug and play. -It has two displays, kilometer/hour and mile/hour, which can be switched freely according to your preference. -With an overspeed alarm, an alarm will sound when the vehicle speed exceeds the preset maximum speed. -It can be used to monitor vehicle speed and improve driving safety and convenience. Specifications: Material: plastic Size: 91*50*18mm Color: black .
eBay