EASY WIRING: PLUG AND PLAY. Wiring via 4-pin connectors. Car Monitor gets power from MDVR via DC connector. We also provide free PC software, used to playback recording videos and GPS tracking on PC. WIFI 4G and GPS: Built-in WIFI, 4G, and GPS module. Easy to search and connect with a Wi-Fi hotspot. support 4G SIM card. Support remote live view on PC, webpage, and IOS/Android smartphone. CMSV6 APP and BEIDOU platform. free server. HD MI Output with HD MI output, it can connect with the TV or your monitor that has HD MI input. G-sensor Built-in G-sensor module, will record an alarming video and send an alarm message to CMSV6 when a crash happens. LOOP RECORD: 4 Channel 720P HD real-time recording, loop recording, Supports one Hard driver and 2-piece memory card. (Max.512GB x 2, 2TB HDD x1, 256GIG memory cards included). Support upgrade software via USB slot. the USB slot also supports backup videos. Support playback videos on screen. Support video searching function so that we can easily get files of a certain period. DELAY RECORDING: it can set delayed recording and delayed power off via the OSD menu. time can be set up to 24 hours. 4-CH ALARM INPUT: It supports 4 channel sensor inputs, it will show the full screen of one channel automatically when receiving the trigger signal, like reverse, turn light, etc.