1. Product Overview
The GKU Mirror Dash Cam is a dual-camera system designed to record both front and rear views of your vehicle in 2.5K resolution. It features an 11-inch IPS touch screen, a detached front camera for flexible placement, GPS tracking, super night vision, loop recording, and parking assistance functionalities.

Image: GKU Mirror Dash Cam with its main components, including the mirror unit, detached front camera, and rear camera.
Key Features:
- Dual 2.5K Front and Rear Recording
- 11-inch IPS Touch Screen
- Detached Front Camera for Optimal View
- GPS Tracking for Speed and Location Data
- Super Night Vision Capability
- Loop Recording
- G-Sensor for Emergency Recording
- Parking Monitoring
- Type-C Power Port for Enhanced Reliability
2. Package Contents
Before installation, please verify that all items are present in the package:

Image: Detailed diagram of the GKU Mirror Dash Cam package contents and their interconnections.
- Mirror Dash Cam Unit
- Front Camera
- Rear Camera
- Rear Camera Extension Cable
- GPS Module
- Car Charger Adapter (Type-C)
- Straps (x2) for Mirror Attachment
- User Manual
- Crowbar Tool (for cable routing)
Note: A Micro SD Card is not included and must be purchased separately. A high-speed Class 10 or U3 card (up to 128GB recommended) is required for optimal recording performance.
3. Installation Guide
Follow these steps to properly install your GKU Mirror Dash Cam:
Video: Step-by-step installation guide for the GKU Mirror Dash Cam.
3.1. Power Connection
- Insert the car charger adapter into your vehicle's 12V power outlet (cigarette lighter socket).
- Connect the Type-C end of the power cable to the Type-C port on the top of the mirror dash cam unit.
3.2. Mounting the Mirror Dash Cam
- Attach the mirror dash cam to your vehicle's existing rearview mirror using the provided straps. Ensure it is securely fastened and does not obstruct your view.
3.3. Front Camera Installation
The detached front camera offers flexibility in placement, allowing you to avoid obstructions and achieve an optimal recording angle.

Image: Illustrates the advantage of a detached front camera for better aesthetics and viewing angle compared to an integrated camera.
- Connect the front camera cable to the designated port on the mirror dash cam unit.
- Mount the front camera on your windshield using its adhesive pad, ensuring a clear view of the road ahead.
3.4. Rear Camera Installation
The rear camera can be installed either inside the vehicle on the rear window or externally near the license plate for backup assistance.

Image: Shows options for rear camera installation (inside/outside) and the mirror flip function.
- Connect the rear camera to the rear camera extension cable.
- Route the extension cable from the mirror unit to the desired rear camera location. Use the crowbar tool to tuck cables neatly under trim.
- For parking assistance, connect the red wire from the rear camera extension cable to the positive wire of your vehicle's reversing light. This will automatically display the rear view with parking guidelines when reversing.
3.5. GPS Module Installation
- Connect the GPS module to the dedicated GPS port on the mirror dash cam unit.
- Mount the GPS module on your dashboard or windshield, ensuring it has a clear view of the sky for accurate signal reception.
3.6. Micro SD Card Insertion
- Insert a high-speed Micro SD card (Class 10 or U3, up to 128GB) into the SD card slot on the mirror dash cam unit.
- Upon first use, or if experiencing issues, format the SD card through the dash cam's settings menu to ensure proper functionality.
4. Operating Instructions
4.1. Power On/Off
- The dash cam will automatically power on and begin recording when your vehicle starts.
- It will automatically power off when the vehicle is turned off.
- To manually power on/off, press and hold the power button located on the bottom of the mirror unit.
4.2. Touch Screen Operation
The 11-inch IPS touch screen allows for intuitive control of the dash cam's functions.

Image: Demonstrates switching between front, rear, and split-screen display modes, and adjusting the viewing angle via touch.
- Switch Display Mode: Swipe left or right on the screen to switch between front camera view, rear camera view, and split-screen display (both front and rear).
- Adjust Brightness: Swipe up or down on the left side of the screen to adjust the display brightness.
- Adjust Viewing Angle: Swipe up or down on the right side of the screen to adjust the vertical viewing angle of the displayed camera feed.
- Access Settings: Tap the gear icon on the screen to enter the settings menu.
4.3. Recording Functions
- Loop Recording: The dash cam continuously records, overwriting the oldest files when the SD card is full. You can set the loop recording duration (e.g., 1, 3, or 5 minutes) in the settings.
- G-Sensor (Emergency Recording): The built-in G-sensor detects sudden impacts or collisions and automatically locks the current video segment to prevent it from being overwritten. Adjust sensitivity (Low, Middle, High) in settings.
- Parking Monitoring: When enabled in settings, the dash cam can record short video clips if it detects an impact while the vehicle is parked. This feature requires a continuous power supply (hardwire kit, sold separately).
- GPS Tracking: Records your vehicle's speed and location data, which can be viewed during playback using compatible software on a computer.

Image: Visual representation of G-sensor activated recording, loop recording, and 24-hour parking monitoring.
5. Settings Menu
Access the settings menu by tapping the gear icon on the main screen. Key settings include:
- Resolution: Set recording resolution for front and rear cameras (e.g., 2.5K+2.5K).
- Loop Recording: Adjust video segment length (1/3/5 minutes).
- Audio: Enable or disable audio recording.
- Time Lapse: Configure time-lapse recording for parking monitoring (if supported and hardwired).
- Gravity Sensor Sensitivity: Set G-sensor sensitivity (Off/Low/Middle/High).
- Parking Monitoring: Turn on/off parking monitoring.
- Default Display Mode: Choose the default screen display when the device powers on.
- Language: Select the desired language for the menu.
- Screen Saver: Set the screen to turn off after a period to avoid distraction.
- Format SD Card: Erase all data on the Micro SD card.
6. Maintenance
- SD Card Care: Regularly format your Micro SD card (at least once a month) to maintain optimal recording performance and prevent data corruption. Replace the SD card every 6-12 months, as continuous overwriting can degrade its performance.
- Cleaning: Use a soft, dry cloth to clean the camera lenses and the mirror screen. Avoid abrasive cleaners or solvents.
- Cable Management: Periodically check all cables to ensure they are securely connected and not pinched or damaged.
7. Troubleshooting
- Dash Cam Not Powering On: Ensure the car charger adapter is securely plugged into the 12V outlet and the Type-C cable is firmly connected to the dash cam. Check your vehicle's fuse for the 12V outlet.
- Recording Issues (Not Recording/Stopping): Format the Micro SD card in the dash cam's settings. Ensure the SD card is Class 10 or U3 and not full. Try a different, known-good SD card.
- Poor Video Quality: Ensure camera lenses are clean. Check resolution settings in the menu. Verify the SD card meets the recommended specifications for 2.5K recording.
- Rear Camera Not Displaying: Check the connection of the rear camera cable to the extension cable and the main unit. Ensure the rear camera itself is not damaged.
- GPS Not Working: Ensure the GPS module is connected and mounted in a location with a clear view of the sky. Allow a few minutes for the GPS signal to acquire.
- Screen Freezing/Unresponsive: Press and hold the power button for 10-15 seconds to force a restart. If the issue persists, try formatting the SD card.
- Files Not Playable on Computer: Ensure you are using a compatible media player. Some dash cam files may require specific codecs or the manufacturer's playback software.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | GKU |
| Model Name | GKU Mirror Dash Cam |
| Screen Size | 11 Inches |
| Video Capture Resolution | 2.5K (Front), 2.5K (Rear) |
| Field of View | 120 Degrees (Real Angle of View) |
| Connectivity Technology | USB |
| Special Features | G-Sensor, Loop Recording, Night Vision |
| Mounting Type | Suction Mount (for front camera), Straps (for mirror unit) |
| Color | Black |
| Optical Sensor Technology | CMOS |
| Maximum Aperture | f/2.0 |
| Frame Rate | 30-60 FPS |
| Compatible Devices | Car Console |
| Power Source | Car Charger Adapter (Type-C) |
| Batteries Included | No |
9. Warranty and Support
GKU products are designed for reliability and performance. For warranty information, technical support, or customer service inquiries, please refer to the contact details provided on the product packaging or the official GKU website. Keep your purchase receipt as proof of purchase for warranty claims.