Introduction
This manual provides detailed instructions for the WHEXUNE T80 UHD 4K 4-Channel Dash Cam Rear View Mirror. This product features a high-performance chip for high-definition video and seamless motion pictures, supporting a front 4K camera and three 1080P cameras for left, right, and rear views. Please read this manual carefully before use and keep it for future reference.

Figure 1: WHEXUNE T80 Dash Cam Rear View Mirror
Product Features
- 4-Channel Recording: Front 4K (3840x2160P), Left 1080P, Right 1080P, Rear 1080P.
- 11.26-inch Full Screen Rearview Mirror: Provides a wide and clear view.
- Assisted Driving Functions (ADAS): Lane Departure Warning System (LDWS), Front Vehicle Departure Warning (FVDW), Forward Collision Warning System (FCWS).
- Blind Spot Detection System (BSD): Monitors side and rear blind spots for enhanced safety.
- Wi-Fi Connectivity: Connects to a smartphone app for real-time viewing and video download.
- 24-Hour Parking Monitor: Records emergency videos upon detecting abnormal vibrations.
- Time-Lapse Recording: Continuously records for 24 hours, saving memory space.
- Full Screen Reversing: Automatically displays the rear camera view with parking guidelines when reversing.
- Loop Recording: Automatically overwrites older footage to recycle storage space.
- Emergency Recording: Locks video files during collisions to prevent overwriting.
- Max 256GB TF Card Support: Provides ample storage for video recordings.
Package Contents
Ensure all items are present in the package:

Figure 2: WHEXUNE T80 Dash Cam Package Contents
- WHEXUNE T80 Dash Cam Rear View Mirror
- Car Charger
- Rear Camera
- Left Camera
- Right Camera
- Power Cable (for 24H Parking Monitor)
- User Manual
Setup and Installation
Installation Guide
- Turn off the car engine.
- Insert a Class 10 or higher TF card (32GB minimum, up to 256GB supported) into the recorder card slot.
- Attach the recorder to the original rearview mirror of your car.
- Connect the USB port of the recorder to the car charger with the charging extension cord. When wiring, the charging extension cable can be laid along the edge of the car windshield.
- Install the rear camera at the rear of the vehicle. Pay attention to the direction when installing. The wiring can be laid along the roof of the vehicle. After installation, connect the rear plug to the rear camera interface of the recorder.
- Install the left and right cameras. These are derived through the Type-C interface.
- Adjust the lens position to ensure that the lens is level with the ground.
- Start the engine and check that the machine has been installed correctly. The system work indicator light should be lit, and the video indicator should flash as recording begins.

Figure 3: Wiring Diagram

Figure 4: Left and Right Camera Mounting Positions
Product Dimensions

Figure 5: Product Dimensions
- Dash Cam Unit: 29cm (Length) x 7.1cm (Height)
- Side Camera Depth: 2cm (main body) + 3.5cm (protrusion)
Operating Instructions
Power On/Off and Display Control
- Power On: In the shutdown state, long press the [power button] for 2 seconds. The machine will automatically start and begin recording.
- Power Off: In the startup state, press and hold the [power button] for 2 seconds. The machine will automatically save video files and user settings, then shut down.
- Turn Off/On Display: Click the [power button] in the startup state to turn off the display. Click again to turn it back on.
Touch Screen Operation
The device features a touch screen for intuitive control. Swipe and tap to navigate menus and functions.
Video 1: Demonstrating the WHEXUNE T80 Dash Cam UI, multi-view display, and ADAS/BSD features in action.
Video Recording Interface
When recording, the interface displays multiple camera views. You can interact with the screen to control various functions:
- Return to Main Interface: One click to return to the main menu.
- Back Action: Navigate back to the previous screen.
- Video On/Off: Toggle video recording.
- One-Click Capture: Take a still photo.
- One-Click Lock/Unlock: Protect current recording from being overwritten.
- Recording On/Off: Start or stop recording.
- Front and Rear Window Switching: Switch between front and rear camera views.
- Slide Backlight Adjustment: Swipe up/down to adjust screen brightness.
- Slide Window Adjustment: Swipe up/down to adjust camera view windows.
Home Screen
The home screen provides access to various functions and settings:
- Driving Recorder
- Smart Driving
- File Management
- Driving Settings
- System Settings
Multiple Display Modes
You can customize the display to show different camera views simultaneously:

Figure 6: Single Screen Display

Figure 7: Three Screen 1:1:1 Display and Four Screen 1:1:1 Display
Intelligent Driving Interface (ADAS & BSD)
The T80 features advanced driver-assistance systems:

Figure 8: ADAS Road Safety Warning Systems
- Front Collision Protection System (FCW): Warns the driver if the distance to the vehicle ahead becomes too close, indicating a risk of rear-end collision.
- Lane Departure Warning Information System (LDWS): Alerts the driver upon detecting unintentional lane departure.
- Blind Spot Detection System (BSD): Continuously monitors side and rear blind spots. If other vehicles enter these areas, the rearview mirror will provide a warning to prevent accidents during lane changes.

Figure 9: BSD System Operation
APP Connect (Wi-Fi)
The T80 supports a mobile application for enhanced functionality:

Figure 10: APP Connect
- Open the APP "Viiture" on your mobile phone.
- Turn on Wi-Fi according to the app prompts.
- Find and connect to the host's Wi-Fi (Name: FHCcam-H89XXXXX, Password: 12345678).
- Return to the app, click to start recording, and then tap the recording file to view the recording file on the TF card.
Full Screen Reversing
When reversing, the system automatically activates the high-definition rear camera and displays its view on the IPS screen with parking guidelines, providing a clear view of the rear of the car even in challenging weather conditions.

Figure 11: Backup Camera Assist
System Settings
Access the System Settings menu to configure various aspects of your dash cam:
- Loop Recording: Off, 1 minute, 2 minutes, 3 minutes.
- Time-Lapse: Off, On.
- Record Audio: Off, On.
- G-Sensor: High, Medium, Low, Off.
- Parking Guard: Off, On.
- Screen Sleep: Off, 10S, 30S, 60S.
- Key Sound: Off, On.
- Speaker Volume: Off, Low, Medium, High.
- Rear Mirror: Off, On.
- Language Settings: Simplified Chinese, Traditional Chinese, English, Japanese, Russian, Thai.
- Time Setting: System time setting.
- Time Watermark: Off, On.
- License Plate Number: Off, On.
- GPS Testing: Test GPS signal strength.
- Time Zone: -12 to +12.
- Speed Calibration: -6, -4, -2, 0, +2, +4, +6.
- Speed Setting: Off, 80KM/H, 90KM/H, 100KM/H, 110KM/H, 120KM/H, 130KM/H, 140KM/H, 150KM/H, 160KM/H.
- Speed Unit: KM/H, MPH.
- Alarm Sound: Front Car Collision Alarm, Lane Change Alarm, Pedestrian Collision Alarm, The Vehicle Distance Alarm.
Maintenance
Memory Card Management
The dash cam supports high-capacity Micro SD memory cards up to 256GB (Class 10 or above recommended).

Figure 12: Max 256GB Card Support
- Loop Recording: New footage automatically overwrites older footage when the memory card reaches full capacity, seamlessly recycling storage space.
- Emergency Recording: In emergency situations (e.g., sudden braking or collision), the device automatically takes pictures and saves the video, which will not be overwritten by loop recording.
- Time-Lapse Video: Can be continuously recorded for 24 hours, saving storage space by shortening long periods into shorter videos. This reduces the need to format the memory card frequently.

Figure 13: Time-Lapse Video Function
Disk Formatting
To format the TF card, navigate to System Settings > Disk Formatting. Confirm to proceed. Note: Formatting will delete all files on the storage card (including protected files). After formatting, files will not be recovered, so please back up important files before doing so.
Troubleshooting
- Inverted Picture: If the picture on the display is inverted after installation, please contact customer support for assistance.
- Device Malfunction: If the device is not functioning as expected, try restoring factory settings via System Settings > Restore factory Settings.
- Product Damage: If the product is damaged during transit, please contact the seller immediately.
Specifications
| Attribute | Value |
|---|---|
| Brand Name | WHEXUNE |
| Item Type | Car DVR |
| Assembly Mode | Rearview Mirror |
| Number Of Lenses | 4 |
| Camera Resolution | Front: 3840x2160P (4K), Rear/Left/Right: 1920x1080P |
| View Angle | 170 Degree |
| Display Size | 11.26 inches |
| Display Type | IPS |
| Touch Screen | Yes |
| Screen Ratio | 16:9 |
| Pixels | 1200Mega |
| Imaging Sensor | 1/3" Sony CCD |
| Aperture | F1.8 |
| Video Code | H.264 |
| Video Format | TS |
| Maximum Video Frame Rate | 30 fps |
| Loop-Cycle Recording Feature | Yes |
| Audio Recorded | Yes |
| NightShot Function | Yes |
| Rear Camera | Yes |
| APP Compatibility | WIFI (Viiture App for iOS & Android) |
| Special Features | G-Sensor, SD/MMC Card, With Rearview Mirror, Waterproof, Real Time Surveillance, WiFi Function, Parking Monitor |
| Max External Memory | 256G |
| Memory Card Required Reading Speed | Class 10 |
| Power Source | Corded Electric |
| Battery Life | Battery is small, requires connection to car charger for use. |
| Battery Capacity (mAh) | 1000mA |
| Interface | USB 2.0, Micro SD/TF |
| Working Temperature | -20℃ to 60℃ |
| Dimensions (W x H x D) | 35.5 x 14 x 8 cm (Package) |
| Weight | 1.25kg (Product), 1.277kg (Package) |
| OSD Language | Chinese (Simplified), Chinese (Traditional), English, Japanese, Russian, Thai |
| Certification | CE, FCC, RoHS |
Warranty and Support
The WHEXUNE T80 Dash Cam comes with a 365-day warranty.
We strictly control quality before shipping. If you encounter any quality problems with the product, you may return it in its original condition for repair or exchange.
User Tips
- Always use a high-speed TF card (Class 10 or above) with a minimum capacity of 32GB for optimal performance. The device supports up to 256GB.
- Utilize the 24-hour parking monitor feature with the dedicated power cord to automatically record emergency videos if your vehicle experiences abnormal vibrations while parked.
- Enable time-lapse recording to continuously monitor your vehicle for 24 hours while saving storage space and reducing the need for frequent memory card formatting.
- Regularly check the display for normal operation after installation. If any issues like an inverted picture occur, consult the troubleshooting section or contact support.
Frequently Asked Questions (FAQ)
- Q: Does the WHEXUNE T80 Dash Cam support Spanish language?
- A: Yes, the OSD (On-Screen Display) language settings include Spanish, along with Simplified Chinese, Traditional Chinese, English, Japanese, and Russian.