| 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 |