1. Product Overview
The Ctronics 4G LTE Indoor Security Camera is a versatile surveillance device designed for indoor use. It features 3G/4G mobile connectivity, eliminating the need for Wi-Fi, and offers a 360° Pan-Tilt-Zoom (PTZ) function for comprehensive area coverage. Equipped with advanced motion and human detection, automatic tracking, color night vision, and two-way audio, this camera provides robust monitoring capabilities. It supports local storage via TF card and cloud storage options.

Figure 1: Ctronics 4G LTE Indoor Security Camera with a smartphone displaying live feed.
2. Package Contents
Please check the package for the following items:
- Ctronics 4G LTE Indoor Security Camera
- Power Adapter
- Mounting Bracket and Screws
- Ethernet Cable
- SIM Card (with 300 MB test data)
- User Manual
- SIM Ejector Tool

Figure 2: Illustration of the camera and its included accessories.
3. Setup Guide
3.1 SIM Card Installation and Power On
- Insert SIM Card: Locate the SIM card slot on the camera. Using the provided SIM ejector tool, carefully insert the included 3G/4G SIM card. Ensure the SIM card is correctly oriented.
- Power Connection: Connect the power adapter to the camera and plug it into a power outlet. The camera will power on automatically.
- Initial Boot-up: Allow a few moments for the camera to boot up and establish a 4G connection. The status indicator light will show the connection status.

Figure 3: Visual guide for initial setup, including SIM card insertion and power connection.
3.2 App Download and Camera Pairing
- Download App: Scan the QR code in the manual or search for "Ctronics Pro" in your mobile app store (iOS/Android) to download the application.
- Register/Login: Open the Ctronics Pro app and register a new account or log in if you already have one.
- Add Camera: Follow the in-app instructions to add your camera. This typically involves scanning a QR code on the camera or manually entering its ID.
- Complete Setup: Once the camera is successfully added, you can view the live feed and configure settings.
3.3 Mounting Options
The camera can be placed on a flat surface or mounted on a wall or ceiling. A mounting bracket and screws are included for secure installation.
- Tabletop Placement: Simply place the camera on a stable, flat surface.
- Wall/Ceiling Mount: Use the provided bracket as a template to mark drill holes. Secure the bracket with screws, then attach the camera to the bracket. Ensure the camera is oriented correctly for the desired viewing angle.

Figure 4: Examples of flexible camera placement on a table, wall, or ceiling.
4. Operating Instructions
4.1 Live View and PTZ Control
Access the live video feed through the Ctronics Pro app. Use the on-screen controls to pan (355°) and tilt (90°) the camera, allowing you to view any corner of the room.

Figure 5: Illustrates the camera's PTZ capabilities and preset monitoring points.
4.2 Motion and Human Detection with Auto Tracking
The camera features an integrated AI algorithm for intelligent detection of humans and motion. When triggered, the camera will automatically lock onto the detected target and track its movements. White lights will flash to deter intruders, and you will receive alarm notifications via the app and email.

Figure 6: The camera's smart detection and tracking feature in action.
4.3 Color Night Vision
Equipped with 4 white lights and 4 infrared lights, the camera provides clear color night vision up to 20 meters, ensuring visibility even in complete darkness.

Figure 7: Example of color night vision and alarm features.
4.4 Two-Way Audio
The built-in microphone and speaker allow for real-time two-way communication. You can hear what's happening around the camera and speak through the camera to family members or visitors.

Figure 8: Demonstrating the two-way audio communication feature.
4.5 Recording and Storage
The camera supports 24/7 continuous or time-scheduled recording. Videos can be stored on a TF card (up to 64 GB, not included) or via the Ctronics Pro app's cloud storage service.

Figure 9: Storage options for recorded footage.
5. Maintenance
- Cleaning: Gently wipe the camera lens and body with a soft, dry cloth. Avoid using harsh chemicals or abrasive cleaners.
- Firmware Updates: Regularly check the Ctronics Pro app for available firmware updates to ensure optimal performance and security.
- SIM Card Management: Monitor your SIM card data usage to ensure continuous connectivity. Replace or recharge the SIM card as needed.
- Storage Management: Periodically review recorded footage and manage storage space on your TF card or cloud service.
6. Troubleshooting
- Camera Not Connecting to 4G:
- Ensure the SIM card is correctly inserted and activated.
- Check if the SIM card has sufficient data balance.
- Verify 4G signal strength in the camera's location.
- Restart the camera by unplugging and re-plugging the power.
- No Video Feed in App:
- Confirm the camera is powered on and connected to the 4G network.
- Check your mobile device's internet connection.
- Ensure the Ctronics Pro app is updated to the latest version.
- Try removing and re-adding the camera in the app.
- Motion Detection Not Working:
- Verify that motion detection is enabled in the app settings.
- Adjust sensitivity settings to an appropriate level.
- Ensure there are no obstructions blocking the camera's view.
- Poor Night Vision Quality:
- Ensure the camera lens is clean.
- Check for any reflective surfaces close to the camera that might interfere with infrared or white lights.
7. Specifications
| Feature | Specification |
|---|---|
| Model Number | CTIPC-750C-S-EU4G |
| Brand | Ctronics |
| Connectivity Technology | 3G/4G Mobile Network (SIM Card included), Wired Ethernet |
| Effective Video Resolution | 1080p |
| Pan/Tilt Range | Pan 355°, Tilt 90° |
| Night Vision | Color Night Vision (up to 20m) with 4 white lights and 4 infrared lights |
| Detection | Human/Motion Detection, Automatic Tracking |
| Audio | Two-Way Audio (Built-in microphone and speaker) |
| Storage Options | TF Card (up to 64GB, not included), Cloud Storage (via Ctronics Pro app) |
| Power Source | Electric with cord |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Operating Environment | Indoor Use Only (Not water-resistant) |
| Package Dimensions | 18.7 x 14.6 x 12.4 cm; 510 g |
8. Warranty and Support
Ctronics products typically come with a standard manufacturer's warranty. For specific warranty details, please refer to the warranty card included in your product packaging or visit the official Ctronics website. For technical support, troubleshooting assistance, or any product-related inquiries, please contact Ctronics customer service through their official channels. Contact information can usually be found on the Ctronics website or within the Ctronics Pro application.





