KINGSLIM D4
Kingslim D4 Dual Dash Cam User Manual
Model: D4
Introduction
Thank you for choosing the Kingslim D4 Dual Dash Cam. This manual provides detailed instructions for the proper installation, operation, and maintenance of your device. Please read this manual thoroughly before use to ensure optimal performance and longevity of your dash cam.
The Kingslim D4 is a high-performance dual dash camera system designed to record both front and rear views of your vehicle. It features 4K Ultra HD front recording and 1080P Full HD rear recording, built-in WiFi and GPS, a 3-inch IPS touchscreen, and advanced features like G-sensor, parking monitoring, and loop recording.
What's in the Box
Upon unboxing your Kingslim D4 Dual Dash Cam, please verify that all components listed below are present:
- Front Camera
- Rear Camera
- GPS Module
- Car Charger
- Cables
- Installation Tool

Image: The Kingslim D4 Dual Dash Cam, showing the main unit, rear camera, and a smartphone displaying the app interface. This image illustrates the complete product package and its connectivity.
Setup and Installation
Proper installation is crucial for the optimal performance of your dash cam. Follow these steps carefully:
1. Prepare the Micro SD Card
A U3 speed class Micro SD card (not included) is recommended for stable performance. The dash cam supports up to 256GB. Format the SD card in the dash cam before first use.

Image: A close-up view of the Kingslim D4 dash cam's side, showing a Micro SD card being inserted into its slot. This highlights the importance of using a compatible U3 speed class card for reliable recording.
2. Install the Front Camera
- Clean the windshield area where the dash cam will be mounted.
- Attach the suction mount to the windshield, ensuring a secure fit.
- Slide the Kingslim D4 main unit onto the suction mount.
- Adjust the camera angle to ensure a clear view of the road ahead.

Image: The Kingslim D4 dash cam mounted on a car windshield, with a view of a road stretching into the distance. This demonstrates the typical installation position and the wide field of view.
3. Install the Rear Camera
- Mount the rear camera on the rear windshield, ideally centered, using the adhesive pad.
- Route the rear camera cable to the front camera, tucking it neatly along the vehicle's headliner and A-pillar.
- Connect the rear camera cable to the designated port on the front camera.

Image: A composite image illustrating the simultaneous recording capability of the Kingslim D4, showing a 4K front view and a 1080P rear view of vehicles. This highlights the dual recording feature.
4. Connect Power
- Connect the car charger to the dash cam's power input.
- Plug the car charger into your vehicle's cigarette lighter socket.
- The dash cam will automatically power on and begin recording when the vehicle's ignition is turned on.
Operating Instructions
Basic Operation
- Power On/Off: The dash cam powers on/off automatically with the vehicle's ignition. You can also manually power it on/off by pressing and holding the power button.
- Recording: Recording starts automatically when the device is powered on. A red dot or recording icon will be visible on the screen.
- 3" IPS Touchscreen: Navigate menus and settings directly on the screen by tapping the icons.

Image: A close-up of the Kingslim D4's 3-inch IPS touchscreen, showing the user interacting with the interface. This illustrates the ease of operation via the touch display.
WiFi and App Control
The Kingslim D4 features built-in WiFi for easy connection to the KINGSLIM APP on your smartphone (Android and iOS). This allows for live view, video playback, downloading, and settings adjustment.
- Download the "KINGSLIM" app from the Google Play Store or Apple App Store.
- On the dash cam, enable WiFi through the settings menu. The screen will display the WiFi SSID and password.
- On your smartphone, connect to the dash cam's WiFi network using the provided SSID and password.
- Open the KINGSLIM app to access live view, manage recordings, and configure settings.

Image: The Kingslim D4 dash cam displaying its WiFi information, alongside a smartphone showing the Kingslim app interface with live video feed and GPS map. This demonstrates the wireless connectivity and app control features.
GPS Functionality
The built-in GPS module automatically records your driving route and speed, which can be viewed during video playback on the KINGSLIM app or a compatible PC player (e.g., GXplayer).
- Ensure the GPS function is enabled in the dash cam settings.
- For best signal reception, operate the dash cam in an open area.

Image: A laptop screen displaying the Kingslim GPS player interface, showing a video playback alongside a map with the recorded driving route and speed data. This illustrates the GPS tracking and playback capabilities.
Advanced Features
- G-Sensor: Automatically detects sudden shakes or collisions and locks the current video footage to prevent it from being overwritten. The sensitivity can be adjusted in settings.
- Parking Monitoring: When enabled, the dash cam will automatically turn on and record a short video if it detects a collision or vibration while parked. A hardwire kit (not included) is recommended for 24-hour parking monitoring.
- Loop Recording: The dash cam continuously records, overwriting the oldest unlocked video files when the SD card is full. This ensures continuous recording without manual intervention.
- WDR Technology & Sony STARVIS Sensor: These technologies enhance image quality, especially in low-light conditions, providing clearer night vision.

Image: An illustration depicting a car in a parking lot with a lock icon, symbolizing the 24-hour parking monitoring feature of the Kingslim D4 dash cam. This highlights the security aspect of the device when the vehicle is parked.

Image: An illustration showing the Kingslim D4 dash cam's lens with light rays, indicating its large aperture and WDR technology, designed for improved night vision in low-light environments. This emphasizes the camera's ability to capture clear footage at night.
Maintenance
- SD Card Formatting: It is recommended to format the Micro SD card regularly (e.g., once a month) to maintain optimal recording performance and prevent data corruption.
- Lens Cleaning: Keep the camera lenses clean using a soft, lint-free cloth to ensure clear video quality. Avoid abrasive materials.
- Firmware Updates: Check the Kingslim official website or app periodically for firmware updates. Keeping your dash cam's firmware up-to-date can improve performance and add new features.
- Temperature Range: The Kingslim D4 is designed to perform in severe temperatures (from -4°F to 140°F). However, prolonged exposure to extreme heat or cold can affect battery life and device longevity.
Troubleshooting
| Problem | Possible Solution |
|---|---|
| Dash cam does not power on. |
|
| Recording stops or freezes. |
|
| Poor video quality. |
|
| WiFi connection issues. |
|
| GPS signal not found. |
|
Product Specifications
| Feature | Detail |
|---|---|
| Model Name | D4 |
| Brand | KINGSLIM |
| Front Video Resolution | 4K (3840*2160P) |
| Rear Video Resolution | 1080P |
| Display | 3" IPS Touchscreen |
| Front FOV | 170° |
| Rear FOV | 150° |
| Aperture | f/1.8 |
| Sensor | Sony STARVIS Sensor |
| Processor | Hisilicon Processor |
| Connectivity | Built-in Wi-Fi, Built-in GPS |
| Storage | Supports up to 256GB Micro SD (U3 recommended, not included) |
| Special Features | G-Sensor, Parking Monitor, Loop Recording, WDR Technology |
| Product Dimensions | 1.5 x 3.3 x 1.9 inches |
| Item Weight | 1.1 pounds |
| Operating Temperature | -4°F to 140°F (-20°C to 60°C) |
Warranty and Support
Kingslim products come with a standard manufacturer's warranty. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official Kingslim website.
For technical support, troubleshooting assistance, or any inquiries regarding your Kingslim D4 Dual Dash Cam, please contact Kingslim customer service. You may also find additional resources, FAQs, and firmware updates on the official Kingslim support page.
A digital version of this user manual is available for download: Kingslim D4 User Manual (PDF)
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