This is the RaceBox: an app connected device that helps you measure the performance of your vehicle. It works as a lap timer or drag meter. It has an app that gives you deep analysis of your laps or drag sessions on your iPhone or Android device. The RaceBox offers over 99.5% measurement accuracy. It can be used to record hours of drag runs and track sessions.
The device can measure your car’s acceleration, braking, and speed in 4 modes. It also provides you with real-time lap performance data. It can measures 0-60mph, 60-130mph acceleration and 1/4 mile time. You can find out more about it here.