*Korea CCTV Map Express Highway, national road CCTV and other CCTV * more good to you 1. Search the map to turn on WiFi, as it may use up a lot of mobile data. 2. Use the GPS feature to search for your location. 1. Zoom in and Zoom out on the map 2. Tap the My Location button to search for your location 3. Explain the type of CCTV in the legend button. 4. Touch the icon to see the detailed description. 5. Express Highway real-time video 6. the national road real-time video 7. Display quantit