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Wholesale 12.3-Inch 2CH TF Card DVR Monitor Split-Screen Hot Sale Truck Monitor Assisted Reverse Backup Camera CCD Night View

The 12.3-inch TF card DVR monitor is a high-performance surveillance device featuring the Hi3521A chip and running on a Linux system. It supports 2-channel AHD and CVBS inputs, with a display resolution up to 1920×1080 and recording resolution of 1920×1080. Equipped with 3 groups of I/O triggers for full-screen display, it offers power-on and timing recording methods. The device supports up to 1TB TF card storage, operates on DC 12-36V, and functions reliably within a temperature range of -30℃ to +70℃. Ideal for automotive, logistics, and outdoor surveillance applications.
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  • SMT838-12.3-TF MDVR Monitor

Core Features of  APC Camera

1. Advanced Chipset and Operating System

The 12.3-inch TF card DVR monitor is powered by the Hi3521A chip, renowned for its high performance and reliability. Coupled with the Linux operating system, it ensures stable and efficient operation. This combination provides fast processing speeds and minimal lag, making it ideal for real-time surveillance applications.


2. Versatile Video Input and High-Definition Display

The monitor supports 2-channel AHD inputs (1080P, 960P, 720P) and CVBS inputs (960H, D1), offering compatibility with a wide range of camera types. With display resolutions up to 1920×1080, it delivers crisp and clear video quality, ensuring detailed surveillance footage.


3. Flexible Recording Options and Large Storage Capacity

The DVR monitor offers power-on recording and timing recording methods, allowing users to choose the most suitable option for their needs. It supports up to 1TB of TF card storage, providing ample space for long-term video recording. The storage also features automatic loop coverage, ensuring continuous recording without manual intervention.


4. Wide Operating Voltage and Temperature Range

Designed for versatility, the monitor operates on a wide voltage range of DC 12-36V, making it compatible with various power sources. It also functions reliably within a temperature range of -30℃ to +70℃, ensuring durability and performance in extreme conditions.


5. Trigger Display Functionality

The monitor supports 3 groups of I/O triggers, enabling full-screen display activation through a 12-24V power supply. This feature is particularly useful for applications such as reversing cameras, where instant, full-screen display is crucial for safety.


6. Customizable Extension Cables

Available with extension cables of 3m, 5m, 10m, and 15m, the monitor can be easily installed in various locations. This flexibility makes it suitable for different vehicle sizes and surveillance setups, ensuring a perfect fit for each application.


These features make the 12.3-inch TF card DVR monitor a reliable and versatile solution for automotive, logistics, and outdoor surveillance needs.

Scenes Solutions

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

2CH MONITOR

Truck 

School Bus Display

School Bus

bus monitor



RV

taxi

Taxi

1080p monitor

Large Truck

Forklift Display

Forklift 

bus

Bus

Emergency&Rescue

Emergency & Rescue

Specification

Item

Parameter

Solution

HI3521A

Language

Simplified Chinese, Traditional Chinese, English,Korean,   Russian, Portuguese, Spanish (Other languages can be customized)

Video compression format

H.264

OSD

Support time and date, channel characters, split borders,   vehicle information and other image overlays

Video and recording system

Video input

Support 2CH AHD1080P,960P,720P/960H,D1(CVBS)   video signals mixed input;

Compatible with PAL and NTSC mixed   input

Preview

Multi-picture mode combination preview, support manual/voltage   trigger full screen display function

Screen resolution

1920*720

Recording resolution

1920*1080P

Recording quality

FHD, HD,Standard,Normal recording   resolution are optional.

Recording mode

Power-on recording

Audio

Input

Support 1CH audio input(optional)

Audio output

Not support

Compression format

G.711u

Trigger input

2 sets I/O trigger, support automatically trigger full screen   display in 12-24V

Storage

TF card

Support 2-1TB memory card,looping recording

Upgrade method

Support TF card upgrade

Storage method

Professional bare disk storage method: real-time storage, no   frame loss, no missing seconds

Video Playback

Video search

Can search least three days, one week, two weeks, one month or   all;

Playback

2CH simultaneous playback, support pause, fast forward, backward

Support 2, 4, 8 forward or backward

Power supply and consumption

Power management

Adaptive wide power input, with protection   functions such as low voltage, over voltage, reverse short circuit;

Input voltage

DC:+15V ~ +35V

Output voltage

+11.5V/3A

Consumption

Naturally working status≤16W

Working environment

Temperature

-30℃ to +70℃

Humidity

20% to 80%

Other

Size

336x142x38mm

 


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

Packing Ways

More than a large number of warehouses meet your needs,can supply your goods at any time,and reach your destination at the earliest Look forward to working with you.

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Freight Logistics

We offer a variety of logistics options for you to choose from.

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