The CR6004M-GQSD2 series in car DVR is a dedicated DVR product for in car video and audio monitoring that uses an embedded Linux operating system. It supports 4-channel 720P high-definition AHD camera access and 2-channel IPC cameras with high-definition video and audio encoding, 4G wireless network transmission, WIFI and hotspot functions, GPS/Beidou positioning, dual SD card data security storage, alarm input and output, driving record collection, extended serial port peripheral access, new software architecture, better user experience and other functions. It also provides flexible channel selection and encoding solutions, especially suitable for various types of bus, passenger bus, school bus transport vehicle, truck and other in car video and audio monitoring needs.

▶ Support two-way voice intercom
▶ Support the expansion of environmental data collection devices
▶ Support triggering online through alarm, SMS and other methods
▶ Support GPS trajectory velvet recording, querying, and playback
▶ Supports dual backup of hard disk and SD card to ensure data security
▶ One click factory reset, system supports online upgrade, easy to use and maintain
▶ Embedded system design, built-in hardware watchdog, can run continuously 24/7
▶ Wireless encoding transmission technology ensures smooth video effects and supports multiple cards and networks
▶ Flexible support for multiple video activation methods such as scheduled recording, alarm linkage recording, and motion detection recording
▶ Adopting steel wire rope shock absorption technology and military grade shock absorption structure design, extending the life of hard drives and improving system reliability
▶ Self owned intellectual property video storage structure (CEFS streaming storage technology), super fault-tolerant, no loss of data during abnormal power outages

◆ Urban management law enforcement
The vehicle works normally during urban management law enforcement patrols, recording various evidence such as the patrol location of urban management personnel, the words and behaviors of law enforcement officers, and the words and behaviors of vendors when encountering urban management law enforcement. In the event of major conflicts, these data and evidence can determine the attribution of responsibility.
◆ Cash transport truck escort
Using high-tech methods to monitor the external environment of the vehicle, avoiding errors in advance and missing evidence afterwards. This case also applies to the escort of valuable items.
◆ Tourist bus monitoring
External video data can provide good information for accident handling, while in car standard definition video data can provide good video data for the in car environment at that time. At the same time, the driving recorder function can truthfully record key data such as the direction and speed of the vehicle at that time, avoiding the occurrence of many problems.
◆ School bus monitoring
Real time accurate information about the location of the school bus, the relevant situation inside the bus, and the safety situation outside the bus can be obtained through mobile phones and computers. At the same time, the SD card storage function of the device also provides effective video data for the post accident handling of the school bus.