Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your Kingslim O3PRO 3 Channel 5G WiFi Dash Cam. Please read this manual thoroughly before using the device to ensure proper functionality and safety.

Image: Kingslim O3PRO 3 Channel Dash Cam, showing the main unit, rear camera, and a smartphone displaying the companion app interface with a 64GB memory card.
Package Contents
Verify that all items listed below are present in your package:
- Kingslim O3PRO Dash Cam (Main Unit)
- Rear Camera
- 64GB MicroSD Card
- Car Charger
- Car Mount
- Rear Camera Cable
- Electrostatic Sticker
- Adhesive Tape
- Car Crowbar (for cable management)
- Cable Clips
- User Manual (this document)
- Quick Guide

Image: All components included in the Kingslim O3PRO Dash Cam package, neatly arranged.
Setup and Installation
Follow these steps to properly install your Kingslim O3PRO Dash Cam system.
1. Prepare the MicroSD Card
- Insert the included 64GB MicroSD card into the dash cam's MicroSD card slot.
- Power on the dash cam.
- Access the settings menu and format the MicroSD card within the dash cam. This ensures compatibility and optimal performance.
2. Install the Main Dash Cam Unit
- Clean the chosen area on your windshield thoroughly.
- Apply the electrostatic sticker to the clean area on the windshield. This helps in easy removal and repositioning without leaving residue.
- Attach the car mount to the electrostatic sticker.
- Mount the main dash cam unit onto the car mount, ensuring a clear view of the road ahead.
- Adjust the camera lens angle for optimal front recording.
3. Install the Rear Camera
- Identify a suitable location on your rear windshield for the rear camera, ensuring a clear view.
- Clean the area and attach the rear camera using the provided adhesive tape.
- Connect the rear camera cable to the main dash cam unit.
- Route the rear camera cable neatly along the vehicle's interior trim using the car crowbar and cable clips to conceal it.
4. Power Connection
- Connect the car charger to the main dash cam unit.
- Plug the car charger into your vehicle's cigarette lighter socket.
- Route the power cable neatly using the car crowbar and cable clips to avoid obstruction.

Image: Visual guide for easy installation, illustrating the connection points for the main camera, rear camera, and car charger.
Operating Instructions
Basic Operation
- Power On/Off: The dash cam will automatically power on and begin recording when your vehicle starts. It will power off automatically when the vehicle is turned off.
- Recording: The O3PRO supports simultaneous recording from the front (2.5K), inside (1080P), and rear (1080P) cameras.
- Display: The 2-inch screen supports multiple display modes to show the recording images from different cameras. Refer to the on-screen menu for display options.

Image: Illustration of the 3-channel recording capability, showing simultaneous views from the front, inside, and rear cameras.
5GHz WiFi and App Control
The O3PRO features built-in 5GHz WiFi for faster data transfer and convenient control via a smartphone application.
- Download the Kingslim app from the Google Play Store or Apple App Store.
- Enable WiFi on your smartphone and connect to the dash cam's WiFi network (SSID and password can be found in the dash cam's settings).
- Open the Kingslim app to view live footage, manage recordings, change settings, and download videos directly to your phone. The 5GHz WiFi offers up to 4 times faster download speeds compared to 2.4GHz WiFi.

Image: A smartphone displaying the Kingslim app, demonstrating 5GHz WiFi connectivity and faster download speeds for dash cam footage.
Loop Recording
The dash cam utilizes seamless loop recording to ensure continuous operation without manual intervention.
- When the MicroSD card reaches its storage capacity, the system automatically overwrites the oldest unprotected video files.
- This feature ensures that recording continues without interruption.

Image: Visual representation of loop recording, showing how the dash cam continuously records by overwriting the oldest files when the memory card is full.
G-Sensor (Emergency Recording)
The built-in G-sensor detects sudden impacts or movements, automatically protecting critical footage.
- Upon detecting a collision or sudden shake, the G-sensor triggers emergency recording.
- These emergency video files are locked and will not be overwritten by loop recording, preserving them as evidence.

Image: A car accident scene with a prominent lock icon, illustrating the G-Sensor's function to automatically secure footage during an impact.
Auto IR Night Vision
The inside camera is equipped with infrared (IR) night vision for clear recording in low-light conditions.
- The inside camera automatically switches to IR night vision mode in low-light cabin environments.
- This ensures detailed footage of the vehicle's interior, even at night.

Image: A split image showing the interior of a car during the day and at night with infrared illumination, highlighting the dash cam's auto IR night vision capability.
Time Lapse Recording
The O3PRO dash cam supports time lapse recording for extended surveillance.
- This feature captures continuous footage at a lower frame rate, allowing for longer recording times on a single memory card.
- Ideal for monitoring your vehicle during parking.

Image: A visual representation of time lapse recording, demonstrating how the dash cam captures events over an extended period by condensing footage.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the camera lenses and the dash cam body. Avoid using abrasive cleaners or solvents.
- MicroSD Card: Regularly format the MicroSD card (at least once a month) to maintain optimal performance and prevent data corruption. Back up any important files before formatting.
- Firmware Updates: Check the Kingslim official website or app periodically for firmware updates. Keeping your dash cam's firmware updated ensures the latest features and bug fixes.
Troubleshooting
| Problem | Possible Cause / Solution |
|---|---|
| Dash cam does not power on. |
|
| Recording stops or freezes. |
|
| Video quality is poor. |
|
| WiFi connection issues. |
|
| App not working correctly. |
|
Specifications
| Feature | Detail |
|---|---|
| Model | O3PRO |
| Front Camera Resolution | 2.5K (2560x1440P) |
| Inside Camera Resolution | 1080P (1920x1080P) |
| Rear Camera Resolution | 1080P (1920x1080P) |
| Display Screen | 2-inch LCD |
| Connectivity | 5GHz Wi-Fi |
| Special Features | Built-In WiFi, G-Sensor, Loop Recording, Auto IR Night Vision, Time Lapse Recording |
| Field of View | Front: 170 Degrees, Inside: 150 Degrees, Rear: 150 Degrees |
| Included Memory Card | 64GB MicroSD Card |
| Product Dimensions | 4.2 x 1.96 x 1.53 inches |
| Item Weight | 1.19 pounds |

Image: Overhead view of a car illustrating the wide-angle coverage of the Kingslim O3PRO dash cam, with 170° front, 150° inside, and 150° rear fields of view.
Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the official Kingslim website or contact their customer support directly. Keep your purchase receipt for warranty claims.
Online Resources: Visit the Kingslim official website for FAQs, driver downloads, and additional support.





