Audio-visual meter dimensions

Audio-Visual Recorder Dimensions (excluding back mount and external devices) LengthWidth and height not exceeding 76mm x 55mm x 30mmThe equipment features a monoblock design, constructed from high-strength engineering plastic, with a replaceable battery, no external storage card slot, and the main body is black in color.

Operation Tips Status Function Inspection

The audio-visual recorder features three types of alerts: sound, vibration, and indicator lights. The charging indicator light is blue, and you can set it to turn on or off the button sound, vibration alert, and indicator light function.

Screen size

High-definition2.0-inch display

Weight

Audio and video recorder quality (excluding mount brackets and external devices) should be less than or equal to135g

Lens Horizontal Field of View

PossessesAll resolutions of 2304*1296/1920*1080/1280*720/848*480 meet or exceed 120 degrees.

Camera Resolution

2304x1296/1920x1080/1280x720/848x480 options available.

At video resolution ofAt 848×480 resolution, the video has 520 lines.

1440*1080/1280*720/848*480 video frame rate up to 60 frames and 30 frames per second

Photo resolution

Effective Pixels7600×4275、6144×3456.4608×3456、4000×3000、2592×1944、2048×1536

Brightness and Contrast

The brightness of the equipment display screen should be equal to or greater than when it shows the full-field white test signal.820cd/m²

The display of the audio and video recorder should be capable of showing the full field black test signal, and the brightness values of the full field white and full field black test signals should be greater than or equal to...3500:1

     One-Touch Switch Function

The audio-visual recorder should be able to press the recording button to save the current video file and start recording during video recording, and press the video button to save the current audio file and start video recording during recording.

Battery operating time

Rechargeable battery, one-time continuous recording11 hours. Standby for 480 hours. During battery replacement, 10 minutes of continuous operation, audio and video files should not be lost or damaged.

Built-in storage medium

Capacity16GB, expandable up to 128GB. The audio and video recorder should be capable of storing no less than24The device features a 1920×1080 video with dynamic audio-visual images. The storage medium ensures continuous recording capabilities, meeting the time requirements of clause 5.4.9.1 and the need to store at least 10,000 photos.

On-board browsing, searching, and playback functionality verification

The recorder can playback a video and audio file with one button while in standby mode, and browse photos in a slideshow format.

Shell protection grade

CompliantThe IP68 (dust and waterproof grade) requirements in GB4208-2008. Continuous at a depth of 1.5M for 2M water depth.

    Record Interval

When the recorder uses the automatic segment recording mode, the recording interval between adjacent segments should be less than or equal to0.04s

Power-on Time

The time from pressing the power-on button to entering the preview mode should be less than2.5 seconds

Intercom Connection Function

Through interfaces for analog and digital two-way radiosThe MOTOROLAMTP850 offers a microphone and speaker, which remain functional even when the device is turned off or the battery pack is disconnected.

Night Vision Feature

Manual or automatic infrared activation with infrared filter switching, true-to-life color representation in daylight conditions.At 2 meters, the camera coverage covers over 70% of the area. With the night vision feature activated, facial features of a person at 8 meters from the prototype can be clearly seen, as well as the outline of a human figure at 15 meters from the prototype.

Pre-recorded and extended recording for audio-visual content

Pre-recording trigger for values greater than or equal to30-second video and audio information; video and audio information recorded after the delay of at least 600 seconds

Live Capture Function

Pressing the camera button when the device is powered off will turn it on and automatically start recording video and audio information.

Digital Zoom

The equipment can be manually controlled in both the view preview mode and the recording mode.32x digital zoom

Video playback fast forward and rewind feature testing

During local playback on the device, it should have×2, ×4, ×8, ×16, ×32, ×64 fast forward or rewind playback modes

Power outage automatic save

Data complete

The device can automatically save video and audio files, record videos, or take photos before the battery runs out, and maintains them when changing batteries.10 minutes of continuous operation, video and audio files should not be lost or damaged.

Document Highlights Marked

The recorder should be able to mark key files during recording through a one-button operation, with the marking method being that the original file name includes"Files marked with 'IMP' should be searchable within the management platform and distinguishable from other documents, with corresponding display upon marking."

Brightness Adjustment

The device can adjust the screen brightness via the menu.

Display Contrast

The ratio of brightness values when the equipment display screen shows a full black test signal should be greater than or equal to4000：1

    Free Fall

Bare Unit Drop Height3200mm, should operate normally after testing, and the stored data should not be lost.

Officer ID

Voice Broadcast Switch Function

Upon startup, the recorder can automatically announce the police officer's ID stored within, and can be accessed through button presses.Switchable video resolutions between 1920×1080 and 848×480: One-touch switching with voice prompt notification.

Lighting Function

Built-in with threeLED white light, activate the white light supplement light for additional lighting, control the white light supplement light to blink at a fixed frequency via a button, enabling color photography and video recording at night.

    Durability Test

The main components of the recorder are subjected to durability tests: power switch6000 shutter releases, 15,000 actuations of the shutter, 6,000 times for the LCD display and switches, 6,000 times for the moving parts, and 6,000 times for the mode selection switch, should all function normally after testing.

Continuous Shooting Function

Features continuous shooting with adjustable number of shotsBurst shooting speed ≥ 2 shots/sec: can be set for 5 seconds、10 seconds、20 seconds、30 seconds、60-second automatic photo capture: Can be set to 5 seconds、10 seconds、20 seconds、30 seconds、Continuous photo capture in 60-second intervals.

AVIN Function

Recorder can be connected to a small camera.

Video Resolution800×600.848×480

Video resolution capability500 line

Horizontal field of view should be greater than or equal to120°。

High-Temperature and Low-Temperature Testing

Temperature70°C for 10 minutesh The recorder was in operation during the testing period.

Temperature-40°C for 6 hours, the recorder remained in operational condition during the test.

Video Pre-recorded/Extended Recording Feature

Pre-recorded, delayed recording trigger, before and after greater than or equal to20-minute video and audio information.

 Timekeeping Error Testing

The time recording on the device should have an error of less than or equal to standard time.3s/d。

   Video File Inspection

Video file format is:1920×1080, 1280×720, with a frame rate of 60 fps, the video file size generated per hour is ≤3G/h; for video files in 1920×1080, 1280×720 format, at 30 fps, the video file size generated per hour is ≤2G/h; for video files in 848×480 format, at 60 fps, the storage space used per hour is not more than 1.0GB; for video files in 848×480, 720×480 format, at 30 fps, the storage space used per hour is ≤0.6G.

Other

Available for browsingTXT Format Text.

Expandable wireless communication module; location information can be uploaded in real-time through the wireless communication module.

Access to the recorder can be authenticated via passwords or other methods, with different access authorization levels available. Data is signed and verified using digital certificates, along with providing data integrity verification.