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High-Quality 4CH HD MDVR with 4G & GPS for Trucks & Cars, 1-Year Warranty

Advanced 1080p 4ch Dvr Mdvr Rear View Cctv Security Camera Video Recorder Car Black Box 4G WiFi GPS Supplier for Bus Truck

The HDD MDVR is a robust 4-channel mobile digital video recorder (MDVR) for vehicle surveillance. It supports AHD 1080P and CVBS inputs, with H.264 compression for high-quality, space-efficient recording. Key features include GPS tracking, optional 4G/WiFi connectivity for remote monitoring, and storage options up to 1TB SD card or 4TB HDD. Designed for reliability, it operates in -30℃ to 70℃ temperatures and consumes less than 5W power. Ideal for trucks, cars, and fleet management, this MDVR ensures continuous and secure monitoring.

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Model:
SMT9804H

Core Features of 4CH MDVR

1. Efficient H.264 Compression

Utilizes H.264 compression to deliver high-quality AHD 1080P/720P video while minimizing storage space. Reduces file sizes by up to 70% compared to uncompressed formats.

2. 4G & WiFi Connectivity

Real-time video and GPS data upload via 4G or WiFi. Supports JT/T808-2019 and CMSV6 protocols for seamless integration with fleet management systems.

3. Flexible Storage

Supports up to 1TB SD card and 4TB HDD storage options, providing ample space for long-term recording needs.

4. Wide Operating Range

Designed for reliability with a wide temperature range (-30℃ to 70℃) and low power consumption (<5W), ensuring stable performance in various conditions.

5. Intelligent Monitoring

Features ADAS and DMS support, with optional AI algorithms for enhanced surveillance. Built-in G-Sensor monitors vehicle motion in real-time.

6. User-Friendly Design

Easy installation with multiple video input options (AHD, CVBS). Graphical menu interface supports multiple languages (Chinese, English) for global use.

Scenes Solutions

Application: Buses, School Bus,Freigt Truck,RV,Ship & Crane,Forklifts,Emergency & Rescue,Tax,Rail Transit,Agricultual Vehicles,etc.

Rail Transit

Forklift

omni bus

Emergency & Resuec

lorries

School Bus

Taxi

Specification

Item	Function	Description
System	Chipset	Huawei Hi3521A(V100)
	OS	Linux
	Menu Language	Chinese, English, other（can be customized）
	Video Compression	H.264
	Password Lock	The user password and administrator password
Video Function	Video Input	Supports 4CH AHD 1080P,720P, TVI,AND D1 signal input aviation header ports Compatible with different signal source mixed input display
	Video Output	Three integrated outputs: HDMI+ VGA+CVBS
	Preview	Support single channel and 4CH preview
	Video Format	PAL or NTSC
Audio	Audio Input	4CH M8
	Audio Output	1CH RCA(One AV)
	Record Mode	Audio and video are recording simultaneously
Video Storage Function	Recording channel	4CH can be chosen, each channel has independent media file folder
	Main Stream Resolution	4CH:1080P\720P\D1\HD1\CIF
	Sub-stream Resolution	GIF\HD1\D1
	Recording Mode	Support boot recording (default), timer recording, alarm recording
	Image quality	Normal, standard, HD, ULTRA HD 4 levels are optional
	OSD	stack date, time, GPS latitude and longitude, channel ID, license plate, etc.
	Storage	Support 1TB Micro SD card and 4T hard disk loop or mirror recording, and cyclic coverage deletion
Playback Subsystem	Video search	Search according to recording time, recording type, video storage device, etc.
Playback Subsystem	Video Playback	Support local playback, 4CH synchronous playback, full-screen playback preview of each channel
Alarm	Alarm Input	4CH alarm input
Alarm	Alarm Output	2CH alarm output, output 12V high-level
Optional Functions	RS485 Protocol	Support 1*RS485 port
	RS232 Protocol	Support 1*RS232 port
	3G/4G	Built-in 3G or 4G communication module
	Wifi	Built-in WIFI module(2.4/5.8GHz is optional)
	GPS	Built-in GPS module; latitude, longitude, speed, etc. can be superimposed to video files, and can be uploaded wirelessly
	G-sensor	Built-in G-Sensor
Platform Software	PC Software and Web	Vehicle information analysis, video real-time preview, voice intercom, GPS upload, alarm upload, central command delivery, parameter configuration, remote video playback and other device management
Platform Software	Mobile Phone Software	Video live preview, voice intercom, GPS positioning, message notification, etc.
Software Upgrade	USB port	1 interface, used for software upgrade or video file copy or video storage or mouse operation
Software Upgrade	Sever	Support upgrade by memory card or remote upgrade of client server

About Seemetech

Founded in 2017, Seemetech is a dynamic technology company dedicated to delivering innovative solutions in the field of intelligent transportation and vehicle security. With a strong focus on R&D, we specialize in designing and manufacturing cutting-edge products such as MDVR (Mobile Digital Video Recorders), MNVR (Mobile Network Video Recorders), and Car Monitors, empowering businesses worldwide to enhance safety, efficiency, and operational control.

Our Core Products

MDVR & MNVR: Advanced in-vehicle surveillance systems tailored for real time monitoring, GPS tracking and data analytics. Ideal for fleet management，public transportation，and logistics.
Car Monitors：High performance displays designed for seamless integration with vehicle systems，ensuring clear visibility and user friendly interfaces for drivers and operators.

Technology & Innovation

At Seemetech, we pride ourselves on our 20-member R&D team—a passionate group of engineers and industry experts committed to pushing technological boundaries. By leveraging AI, IoT, and cloud-based platforms, we continuously refine our products to meet evolving market demands.
Our Mission

We strive to redefine vehicle safety and connectivity through intelligent solutions that bridge the gap between technology and practicality. By partnering with global clients, we aim to drive progress in smart transportation ecosystems and deliver unparalleled value to industries worldwide.
Our Vision

As we expand our global footprint, Seemetech remains steadfast in its commitment to innovation, customer-centricity, and sustainable growth. Join us in shaping the future of mobility.

FAQs

Do you support OEM and ODM services?

Yes,we support OEM and ODM services. We have a professional R&D team to support various customization.
Are you a manufacturer factory or a trading company?

We are the original manufacturer located in Shenzhen,China, which has rich experience in car monitors ,car cameras and car players , warmly welcome to visit our factory.
How do you guarantee product quality?

All goods are 100% inspected before shipping, we do at least 5 tests, including In-coming raw material test, sample test then bulk produce, functional test, burn-in test, appearance inspection.
How to place an order?

1.Choose the product you like, confirm the model and quantity and place the order on Alibaba directly.
2. Tell us your special request and then we will recommend the right items accordingly ,and match them together for you then.
What's the MOQ for products?

MOQ no limited, sample orders also welcomed.
What's the payment terms?

T/T, PayPal, Ali pay,etc.
For sample orders, 100% in advance, for bulk orders 30% or 50% deposit, the balance before shipment.
What are the shipping method?

By express(DHL,Fedex, UPS), by sea, by air, or other available shipping methods appointed by customers, provide tracking number and estimated time of arrival.
What's the lead time?

1. Sample order 1 to 5 PCS: 3-7 working days.
2. General order 100 to200PCS: 7-15 working days.
3. Bulk order 500 to 1000PCS: 15-30 working days.(All depends on the quantity)
What after-sales support is available?

All products have one year warranty and we have professional technical support. If you have any problems with the product, we will provide solutions at any time.