The AlerteGPS G300 is the first speed camera warning system with an integrated battery: A real wireless copilot! The G300 can be used in a car or on a bike. It features advanced functionalities that make it a hi-end product, one of the best available. It combines vocal warnings, visual warnings (diodes), and a digital display that shows useful information: speed of the vehicle, maximum speed, distance between your vehicle and the speed control, frequency of mobile speed controls*... Simply poweful!