What is the GKU D600 Pro Max like to install and use in everyday driving?
In his hands-on review, automotive YouTube creator AutoFun takes a closer look at the dash cam’s design, mounting options, GKU GO app, voice control and real-world footage. He also tests one of its most useful parking features: collision pre-recording.
A Compact Dual Dash Cam
The GKU D600 Pro Max uses a relatively simple design, with a front-facing camera, a rear camera and a 3-inch display.
AutoFun highlights the dash cam’s minimalist controls. Instead of filling the body with multiple buttons, the camera mainly relies on two physical buttons, voice commands and the GKU GO app.
The package also includes two mounting options for the front camera:
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A suction cup mount that can be removed or transferred between vehicles
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A 3M adhesive mount for a cleaner, more permanent installation
The rear camera uses an adjustable adhesive mount, allowing its angle to be changed after installation.
Installation and Cable Management
During the installation, AutoFun places the front camera behind the rearview mirror and routes the rear camera cable along the vehicle’s interior trim.
As with most front-and-rear dash cams, the main installation work comes from hiding the longer rear camera cable. Once the cable is tucked away, both cameras can record automatically whenever the vehicle is powered on.
The included 12V power adapter also provides an additional USB port, so drivers do not have to give up phone charging while using the dash cam.
Voice Control for Common Actions
AutoFun also demonstrates the built-in voice control system.
Commands can be used to take a photo, lock the current video, start or stop recording, and switch the display. This is especially useful while driving because the driver does not need to reach toward the camera or open the mobile app.
For example, locking a video with a voice command can help preserve important footage immediately after something unusual happens on the road.
Using the GKU GO App
Through the GKU GO app, AutoFun connects his phone directly to the D600 Pro Max and views live video from both cameras.
The app can also be used to:
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Change recording settings
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Switch between camera views
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Review saved recordings
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Download clips to a phone
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Adjust parking and G-Sensor settings
This makes the app the easiest way to manage the dash cam without removing the microSD card.
AutoFun briefly notes that the resolution menu could be clearer. The app presents the dual-camera option as “4K + 1080P,” while the actual recording resolution in dual-camera mode is 3200 × 1800 for the front camera and 1080P for the rear camera. Full 3840 × 2160 recording is available when the front camera is used on its own.
The wording could therefore be more precise, although it does not affect normal recording or app operation.
For a closer comparison of the camera’s recording options and features, see our guide to the D600 Pro vs. D600 Pro Max.
Recorded dash cam footage can be viewed directly on a connected smartphone. Screenshot source: AutoFun on YouTube.
Parking Protection With Collision Pre-Recording
One of the most interesting parts of AutoFun’s review is his test of collision pre-recording.
With the optional GKU hardwire kit, the D600 Pro Max can continue monitoring the vehicle after the engine is turned off. Drivers can select collision detection, time-lapse recording or collision pre-recording according to their parking needs.
In the collision pre-recording test, the dash cam saves footage from before and after an impact is detected. This provides more context than a clip that begins only after the collision has already happened.
A hardwire kit is required for parking monitoring because the standard 12V power adapter normally stops supplying power when the vehicle is switched off.
Real-World Road Footage and Audio
AutoFun finishes the test with real driving footage from the front and rear cameras.
Daytime road footage captured during AutoFun’s test of the GKU D600 Pro Max. Screenshot source: AutoFun on YouTube.
The footage demonstrates how the system captures the road ahead while also recording traffic behind the vehicle. Details such as surrounding vehicles, lane markings and changing light conditions remain visible during the drive.
He also tests the built-in microphone, which records sound inside the vehicle alongside the video. Audio recording can be disabled if the driver prefers video-only recording.
Although video clarity can vary depending on windshield condition, lighting, motion and playback settings, the test gives viewers a more realistic idea of what to expect than specifications alone. If your footage appears less clear than expected, our guide explains why dash cam footage may look blurry and how to improve it.
AutoFun’s Final Thoughts
Overall, AutoFun finds the GKU D600 Pro Max easy to install and straightforward to use.
The combination of front-and-rear recording, voice control, mobile app access and collision pre-recording gives drivers the core features needed for everyday road and parking protection. The app’s resolution wording could be clearer, but the overall setup and operation remain simple.
Watch AutoFun’s full video above to see the installation, app walkthrough, parking test and original road footage.
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