Key Features

• Supports 4 PoE IP camera inputs

• H.265 / Smart H.265 / H.264 video compression

• Real-time recording up to 1080P resolution

• Supports 1 HDD (up to 2TB) and 1 SD card (up to 256GB)

• Optional 3G / 4G / Wi-Fi wireless connectivity

• Built-in GPS module for vehicle tracking

• Anti-vibration design for vehicle environments

• Wide 6–36V DC power input suitable for automotive systems

• Multiple monitoring methods including web interface, mobile apps and VMS

• HDMI, VGA and AV outputs

• Supports AI functions including DSM, face recognition and ANPR

• Certified for mobile environments including EN50155 and ISO16750

Designed for Mobile Surveillance

Unlike traditional network video recorders used in buildings, the MNVR4104 is engineered specifically for mobile security systems. The rugged design protects the internal storage from vibration and shock, ensuring stable operation even on rough roads.

This makes it suitable for:

• Bus and public transport CCTV

• Taxi and rideshare vehicle monitoring

• Emergency service vehicles

• Fleet management systems

• School buses and transport vehicles

• Mobile law enforcement recording

The integrated GPS module allows fleet operators to track vehicle location and video events simultaneously, improving operational visibility and safety.

Video and Recording

The recorder supports four IP camera channels via PoE, simplifying installation by allowing cameras to receive both power and data over a single cable.

Supported video capabilities include:

• H.265 / Smart H.265 compression

• Dual stream recording

• Adjustable image quality levels

• Frame rates up to 25fps (PAL) or 30fps (NTSC)

• Multiple display modes including single and quad view

Efficient compression significantly reduces storage usage while maintaining high image quality.

Storage and Backup

The Dahua MNVR4104 supports flexible storage configurations suitable for mobile deployments.

Storage options include:

• 1 x 2.5″ internal HDD

• 1 x SD card up to 256GB

• USB backup

• Network backup options

This allows recordings to be stored locally in the vehicle while also enabling remote access or downloads when connected to a network.

Network and Remote Monitoring

The device supports multiple networking options enabling remote monitoring and fleet management.

Supported connectivity includes:

• Ethernet RJ-45 (10/100 Mbps)

• Optional 3G / 4G mobile network

• Optional Wi-Fi module

• Remote viewing via smartphone or VMS

Users can monitor live or recorded footage from iOS or Android devices, enabling mobile operators to supervise vehicles in real time.

Environmental Performance

The MNVR4104 is designed to operate in demanding conditions commonly encountered in transport applications.

Environmental specifications include:

• Operating temperature: -30°C to +70°C

• Operating humidity: 10–90% RH

• Low power consumption: <10.2W without HDD

The device also meets transport-industry certification standards including EN50155 and ISO7637-2, ensuring reliable operation in vehicle electrical systems.

Specifications

System

• Processor: Industrial embedded processor

• Operating system: Embedded Linux

Video

• IP camera input: 4 channels PoE

• Encoding: H.265 / H.264

• Resolution: Up to 1080P

• Display modes: 1 / 4 split

Storage

• HDD: 1 × 2.5″ HDD

• SD Card: Up to 256GB

Interfaces

• 3 × USB 2.0

• 3 × RS232

• 2 × RS485

• HDMI / VGA / AV output

Network

• Ethernet RJ-45

• Optional Wi-Fi / 3G / 4G

• Smartphone access (iOS / Android)

Power

• Input voltage: DC 6–36V

• Power consumption: <10.2W (without HDD)

Physical

• Dimensions: 180 × 190 × 50 mm

• Weight: 1.92 kg (without HDD)

FAQs

What is a mobile NVR?

A mobile NVR is a network video recorder designed specifically for vehicles. It is built to withstand vibration, fluctuating power supply and temperature extremes commonly encountered in transport environments.

How many cameras can the MNVR4104 support?

The device supports 4 IP cameras via PoE, allowing cameras to be powered directly by the recorder.

Can the MNVR4104 track vehicle location?

Yes. When equipped with the optional GPS module, the recorder can upload vehicle location data to a VMS platform for fleet tracking.

Does the recorder support wireless connectivity?

Yes. Optional 3G, 4G or Wi-Fi modules allow the system to transmit video and alarm data over wireless networks.

What storage options are available?

The recorder supports 1 internal HDD and 1 SD card up to 256GB, providing flexible storage for vehicle recordings.

What power supply does the device require?

The recorder supports 6–36V DC input, making it compatible with most vehicle electrical systems.

Can the recorder be viewed remotely?

Yes. Video can be accessed remotely via web interface, VMS software or mobile apps for iOS and Android.