1. Introduction
The CS09 Ultra HD 4K Mini Camera is a versatile and portable digital video recorder designed for various applications, including outdoor sports, security, and general life recording. Featuring 4K video recording, a 180-degree rotatable lens, infrared night vision, and Wi-Fi connectivity, this compact device offers high-quality capture and flexible usage.

2. Package Contents
Please check the box for the following items:
- CS09 Mini Camera (x1)
- USB Charging Cable (x1)
- Bracket (x1)
- Instruction Manual (x1)

3. Product Overview
Familiarize yourself with the camera's components:

| No. | Part | No. | Part |
|---|---|---|---|
| 01 | HD lens | 11 | Video |
| 02 | Fill light | 12 | Back splint |
| 03 | Display screen | 13 | Photo/fill light |
| 04 | Upturn | 14 | Power/screen sleep |
| 05 | Back | 15 | Turn/WiFi switch |
| 06 | Album | 16 | TF card groove |
| 07 | Confirm | 17 | Reset |
| 08 | Downturn | 18 | Data interface |
| 09 | Loudspeaker | 19 | Microphone hole |
| 10 | Charge lamp |
4. Specifications
| Feature | Specification |
|---|---|
| Color | Black |
| Video Resolution | 4K / 2K / 1296P / 1080P / 720P |
| Video Format | MP4 |
| Video Frame Rate | 30fps |
| Image Ratio | 16:9 |
| Photo Format | JPG |
| Lens Rotation | 180° rotatable |
| Battery Type | High-capacity polymerised lithium battery |
| Battery Capacity | 1400mAh |
| Working Time | Approx. 4 hours continuous video recording |
| Charging Voltage | DC-5V |
| Storage Support | Up to 256GB Micro SD card (high-speed TF card recommended) |
| Interface Type | Type-C |
| Support System | Windows, Mac OS, Linux |
| Sensor Technology | CMOS |
| Built-in Memory Size | None |
| Camera Stabilization | None |
5. Setup
5.1 Initial Charging
Before first use, fully charge the camera using the provided USB Type-C cable. Connect the cable to the camera's data interface (18) and a DC-5V power source. The charge lamp (10) will indicate charging status.
5.2 Inserting a Micro SD Card
The camera supports Micro SD cards up to 256GB. Insert the card into the TF card groove (16). Ensure the card is inserted correctly. The camera may prompt you to format the card upon insertion. If the card contains important files, back them up before formatting.

5.3 Attaching the Bracket
The camera features a standard 1/4 inch nut interface on its back clip for convenient mounting. Attach the provided bracket or other compatible accessories for various recording scenarios.

6. Operating Instructions
6.1 Power On/Off
- To power on, press and hold the 'ON/OFF' button.
- To power off, press and hold the 'ON/OFF' button again.
6.2 Video Recording
From video standby mode, press the 'Video' button (11) once to start recording. Press it again to stop recording.
6.3 Photo Capture
From video standby mode, press the 'Photo/fill light' button (13) once to take a picture.
6.4 Lens Rotation
The camera features a 180-degree rotatable lens. Adjust the lens manually to achieve your desired shooting angle.

6.5 Using Fill Lights
The camera is equipped with two high-brightness fill lights for clear visibility in low-light conditions or at night. Press the 'Photo/fill light' button (13) to activate or deactivate the fill lights.

6.6 Wi-Fi Connection and App Control
The camera supports remote Wi-Fi connection for real-time video viewing and control via a mobile application. Refer to the app's instructions for detailed connection steps. Ensure your mobile device is within 5 meters of the camera for optimal Wi-Fi performance.

6.7 Accessing Menu Settings
After the machine is switched on and in video standby mode, long press the 'OK' button (7) to enter the setup menu screen. Use the navigation buttons (Upturn 4, Downturn 8, Back 5, Album 6) to navigate and 'OK' (7) to confirm selections.
6.8 Screen Hibernation
By default, the camera's screen will automatically hibernate after 1 minute of non-operation to save power. You can also short press the 'Power/screen sleep' button (14) at any time to manually enter screen hibernation mode.
6.9 Product Overview Video
7. Maintenance
- Cleaning: Use a soft, dry cloth to clean the camera body and lens. Avoid using harsh chemicals or abrasive materials.
- Storage: Store the camera in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the camera regularly, even if not in use for extended periods.
- TF Card Formatting: Periodically format the Micro SD card to maintain optimal performance and prevent data corruption. Remember to back up any important files before formatting.
8. Troubleshooting
- Q: The product display shows a stop screen status, and buttons are unresponsive.
- A: This can occur due to operational errors. Short press the 'Reset' button (17) to reset the machine. It should then function normally.
- Q: Why does the display suddenly turn black during operation?
- A: By default, the machine automatically hibernates the screen after 1 minute of inactivity. You can also short press the 'Power/screen sleep' button (14) at any time to enter screen hibernation mode.
- Q: The real-time preview in the app is stuttering, and video playback is intermittent.
- A: The camera's Wi-Fi hotspot has an effective range of approximately 5 meters. Stuttering or disconnections may occur beyond this distance. For TF card video playback, download the file to your mobile device first. Keep the camera and phone close during downloads.
9. User Tips
- 4K Quality: While the camera supports 4K resolution, ensure your playback device and software are compatible to fully appreciate the quality.
- Memory Card: Always use a high-speed Micro SD card (Class 10 or higher) for optimal recording performance, especially when recording in 4K.
- Battery Life: For extended recording sessions, consider carrying a portable power bank to charge the camera via its Type-C port.
- Mounting Versatility: Experiment with different mounting options using the 1/4 inch screw hole to capture unique perspectives for your activities.
10. Warranty and Support
For any product-related inquiries, technical support, or warranty claims, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase.