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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.
Truck
School Bus

RV
Taxi
Large Truck
Forklift
Bus
Emergency & Rescue
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.
Truck
School Bus

RV
Taxi
Large Truck
Forklift
Bus
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 |
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 |
Our Vision
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.

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

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.

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