Car Speed Radar Detector Voice Alert When you detect a position, the GPS will tell you exactly what type of camera/speed limit/distance you are approaching, and confirms the speed limit on the stretch of road. Safety is at the forefront of conqueror thinking with the addition of voice alerts. Adopted with latest Global Positioning Satellite (GPS) system and wireless radar/laser detector technology, the device is to connect with GPS display screen, provides a safety and pleasure driving. The best design: We have first-class team to design such products, it have the most superior performance and the most excellent quality. we always make the details of the products constantly perfect by listening to consumer feedback. The best materials: We choice the best material. so it has the best quality and the best effect.