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| Model | QH-MDVR8208H | |
| Category | Feature | Specification |
| System | Language | English, Chinese, Hungarian, others optional |
| Operation Interface | Graphical menu operation, interface (OSD menu) | |
| Password Security | Permissions settings for administrator and user | |
| Video | Video Input | Supports 8 channels: CIF/HD1/D1/960H/720P/1080P; AHD camera |
| Supports ADAS, AI face recognition camera, AHD, and IPC cameras | ||
| Video Output | 2 channels (IO cable extension, 1 in the 24-pin connector) | |
| Video Display | Single picture or 1~4 pictures | |
| Signal System | PAL 25fps, NTSC 30fps | |
| Image Compression | H.264 Main Profile | |
| Audio | Audio Input | 8 channels |
| Audio Output | 1 channel (1 in the 24-pin connector) | |
| Record Format | Synchronized video and audio recording | |
| Recording & Storage | Image Resolution | CIF/HD1/D1/960H/720P/1080P optional |
| Video Coding | ISO14496-10 | |
| Video Bit Rate | CIF: 1536Kbps ~ 128Kbps; HD1/D1: 2048Kbps ~ 400Kbps; 960H: 2048Kbps ~ 400Kbps; 720P/1080P: 4096Kbps ~ 400Kbps | |
| Image Quality Grades | 8 grades optional; Grade 1 as best, Grade 8 as lowest | |
| Audio Bit Rate | 8 kbps | |
| Storage Capacity | Up to 4TB HDD/SSD and 1 SD card for backup | |
| Expandable Storage | Supports upto 4TB SSD/HDD plus 1 SD card slot | |
| Alarm Input | 8 channels, alarm activated by low voltage (<1V) or high voltage (>5V) | |
| Alarm | Alarm Output | 1 channel, 12V output |
| RS485 | RS485×2 | |
| Communication Ports | RS232 | RS232×2 |
| RJ45 Network | 1 × RJ45 | |
| USB Ports | 2 USB 2.0 ports: the front panel is for downloading video files and upgrading firmware; the back panel is for backup recording and connecting firebox | |
| Wireless Communication | 3G Compatibility | 3G wireless transmission module; WCDMA, CDMA2000, TD-SCDMA system optional, compatible with GPRS/EDGE |
| 4G Compatibility | Built-in 4G (TDD-LTE/FDD-LTE) module optional | |
| WiFi Features | Built-in WiFi optional; WiFi enables easy MDVR menu setup without the need for a remote control | |
| GPS | GPS Features | Built-in GPS module; real-time geographic coordinates, speed information |
| Driver Monitoring System (DMS) | DMS Features | Detects smoking, phone usage, driver fatigue, distraction, and when the driver’s face is not in the detection area |
| Advanced Driver Assistance Systems (ADAS) | ADAS Features | Supports lane departure warning, forward collision warning, and pedestrian detection |
| Blind Spot Detection (BSD) | BSD Features | Monitors blind spots to enhance driver awareness of surrounding hazards |
| Housing | Housing Design | Full metal housing design without external screws for enhanced durability and protection |
| Smart Lock Panel | Smart panel to lock on/off and a high-end mainboard for upgraded performance | |
| Sensors & Interfaces | Sensor Compatibility | Connects to acceleration sensors, temperature sensors, oil level monitors, control panels, and other peripherals through preset interfaces |
| Sensor Compatibility | Thermal PTZ camera, Oil sensor, Temperature sensor, Weight sensor,TMPS(Pressure sensor),People counter,LED panel,RFID reader,OBD,intercom | |
| Connectors | Aviation Connectors | Equipped with aviation connectors for stable and reliable performance, ensuring longer usage life |
| Hardware | Upgrade Method | Upgrade through the front USB 2.0 and hard disk |
| Electric Spec | Voltage Input | +8V ~ +36V; safe voltage of vehicle required before use; operation over 36V may damage the MDVR |
| Voltage Output | 12V (+/-0.2V), Max 3A | |
| ACC Detection | ≤4V power-off; ≥5V power-on | |
| Video Input Resistance | 75Ω at each video input resistance | |
| Video Output Voltage | 2Vp-p CVBS output analog signal; screen input requires resistance 75Ω | |
| UPS Support | Operates with extra UPS power supply support for up to 1 hour | |
| Environment | Operating Temperature | -40℃ ~ 80℃ at draughty environment |
| PTZ Control | PTZ Features | Supports local and remote control of PTZ cameras |
| Dimensions | Dimensions | 199(W)mm x 76(H)mm x 190(L)mm |
This is the estimated video retention capabilities of a 4TB AI HDD Mobile DVR across various 1080P recording setups. When configured with 4 channels recording 8 hours per day, the system can store footage for up to 71 days. With 8 channels at the same recording duration, the retention drops to 35 days due to increased data input. Reducing the daily recording time to 6 hours for 8 channels improves retention to approximately 47 days.
These insights highlight how channel count and daily usage impact storage efficiency in mobile DVR systems. For fleet operators or surveillance users looking to balance storage and performance, optimizing recording schedules or channel usage can significantly extend the recording duration without requiring additional storage upgrades.

The QOHO MDVR8208H AI HDD Mobile DVR leverages advanced artificial intelligence to provide comprehensive vehicle monitoring and safety solutions. It integrates features such as real-time driver monitoring, advanced driver-assistance systems (ADAS), blind-spot detection, and multi-camera recording for enhanced situational awareness. Designed for diverse vehicle applications, this intelligent system ensures safer driving, optimized fleet management, and proactive risk mitigation, making it an essential tool for modern transportation needs.

The QOHO MDVR8208H AI HDD Mobile DVR is equipped with an advanced heat dissipation feature, ensuring reliable performance in demanding environments. Its robust design makes it ideal for heavy-duty vehicles like tankers, maintaining optimal functionality even under extreme temperatures. This system supports multi-camera inputs and AI-powered analytics, providing comprehensive monitoring and safety solutions for various vehicle applications.

The QOHO MDVR8208H AI HDD Mobile DVR is a versatile vehicle surveillance system designed to enhance safety and efficiency across various vehicle applications. It integrates multiple high-definition cameras, including front, side, rear, and in-cabin monitoring, all managed by a centralized AI-powered DVR unit. The system supports real-time video recording and analytics, with a high-capacity HDD for extended storage and seamless playback. Its robust design ensures reliable performance in diverse vehicle environments, making it ideal for buses, trucks, commercial fleets, and personal vehicles. With features like blind-spot detection, driver behavior monitoring, and optional passenger counting, it offers comprehensive surveillance and safety solutions for any transportation need.


The system features the QOHO MDVR8208H AI HDD Mobile DVR integrated with advanced sensors for comprehensive vehicle monitoring. These include a Thermal PTZ Sensor for heat detection, a Temperature Sensor for environmental monitoring, a Tire Pressure Monitoring Sensor (TPMS), an Oil Sensor for engine health, a Weight Sensor for load management, and a Passenger Counter Sensor for tracking occupancy. Together, they provide enhanced safety, efficiency, and operational insights for diverse vehicle applications.



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