Compares your current GPS location with an on-board database of red light and speed camera locations and alerts you when you are near one / Updates avail # The company that has successfully helped you avoid speed traps through the use of their radar and Laser detectors moves up to the next generation. Using GPS mapping, along with your GPS system, the Whistler RLC-100 will alert you when there are Red Lights and Speed Cameras activated nearby. High Sensitivity GPS Antenna # Updatable Camera Database # Free Updates For One Year # Dual Alert Display # 7 Segment Digital Readout # Current Speed Reading With Max Hold Feature # Manual Entry Function for up to 100 Locations # Digital Clock # MPH / KPH Option # Tripmeter # Selectable Speed Warning # 12 Volt Power Outlet.