| Model | Square Shield DSJ-D7 |
| Video resolution | H.264 compression format 2304*1296 (30 frames/second) 1920*1080 (30 frames/second) 1280*720 (30 frames or 60 frames/second) 848*480 (30 frames or 60 frames/second) Compression Format H.264, Video Document MP4 Video Resolution Readed by Video Player Software on Computer Rate and frame count should be consistent with the video resolution on the device |
| Infrared night vision function | Built-in 8 high-power infrared lights, the device can be seen after night vision is turned on. The facial features at a distance of 10 meters and the contour of the human body at a distance of 20 meters can be seen clearly. |
| Battery | High capacity lithium battery, 3.7V 4000mAh |
| Display | The display screen size is 2.0 inches. When the display screen displays the whole field white test signal Maximum brightness should be (> 705 cd/m2), showing full-field white and black measurements The ratio of brightness value of test signal should be greater than or equal to 1277:1. |
| Photo resolution | 32 million (7552X4248) 23 million (6400X3600) 20 million (5120 X3840) 16 million (5376X3024) 4 million (2688X1512) Save in JPEG format; The size of the picture read by the picture software on the computer should match the resolution size of the picture on the device. |
| Lens angle | The built-in camera has a 170-degree viewing angle |
| Memory | Equipment can be selected with built-in 16GB/32GB/64GB/128G |
| positioning system | Support Beidou, GPS, optional independent Beidou professional module |
| WIFI | Support 802.11b/g/n, 2.4 GHz (customizable) |
| Working hours | 2304x 1296P Non-replaceable Battery Continuous Video Recording No less than 9 hours 1 minute audio and video files occupy no more than 90M and no less than 70M of memory. 1920X 1080P Non-replaceable Battery Continuous Video Recording No less than 10 hours One minute audio and video files occupy no more than 70M and no less than 50M of memory. 1280X 720P Non-replaceable Battery Continuous Video Recording No less than 12 hours 1 minute audio and video files occupy not more than 50M, not less than 30M; stand-by 240H |
| weight | Weight < 155g; Appearance color of the main body of the device is black, and the recording key is red key (customizable) |
| Protection Level | IP68 |
| size | 79*58.5*31.5 mm (length*width*height) |
| Optional accessories | Button-mounted camera (infrared night vision optional) Portable Remote Controller Fast Charging Base Vehicle Bracket of Traffic Recorder On-board vehicle charging Professional Enforcement Box GPS module (optional built-in) |
| Qualification Report | 1. Terminal Equipment Obtained China National Compulsory Certificate of Product Certification 2. Achieving Testing Report of Terminal Equipment Complying with ISO 9001:2005 Quality Management System Standard 3. Acquiring the Testing Report of the Terminal Equipment Complying with ISO 4001:2005 Environmental Management System Standard |