1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your Lorex LAB243B 4MP 2K Super HD Bullet Security Camera. This camera is designed to provide high-definition surveillance for your home or business, offering clear imaging day and night.
2. Package Contents
Verify that all items listed below are present in your package:
- Lorex LAB243B 4MP 2K Super HD Bullet Security Camera
- 60' Siamese BNC Cable
- Power Adapter
- Mounting Hardware (screws and wall anchors)

Image: The Lorex LAB243B 4MP 2K Super HD Bullet Security Camera, along with its included 60-foot Siamese BNC cable, power adapter, and mounting hardware.
3. Compatibility
This camera is specifically designed for use with select Lorex 4MP HD DVRs. Ensure your Digital Video Recorder (DVR) is compatible before installation.
- Compatible DVR Series: Lorex LHA4000 Series and DV800 Series.
- Note: Some users have reported compatibility with LHA4108-D MPX Super HD 4MP 8-channel DVRs. However, official compatibility is guaranteed for the listed series.
This camera is not a standalone unit and requires a compatible Lorex DVR with BNC connectors for operation.
4. Setup
Follow these steps to set up your Lorex LAB243B camera:
- Connect the BNC Cable: Connect one end of the 60' Siamese BNC cable to the camera's BNC port. Connect the other end to an available BNC input on your compatible Lorex DVR.
- Connect Power: Connect the power adapter to the camera's power input. Plug the power adapter into a standard electrical outlet.
- Power On DVR: Ensure your Lorex DVR is powered on and properly configured.
- Verify Video Feed: Check your DVR monitor to confirm that the camera's video feed is displayed. If no image appears, refer to the Troubleshooting section.
5. Installation
The Lorex LAB243B is a bullet-style camera designed for wall mounting. Consider the following guidelines for optimal performance:
- Location: Choose a location that provides the desired field of view (89 degrees horizontal) and is within reach of the 60' BNC cable and a power source.
- Mounting Surface: Ensure the mounting surface is sturdy enough to support the camera. Use the provided mounting hardware (screws and wall anchors) for secure installation.
- Angle Adjustment: Once mounted, adjust the camera's angle to cover the desired surveillance area. Secure all adjustment screws to prevent movement.
- Weather Protection: The camera has an IP66 waterproof rating, making it suitable for outdoor use. However, positioning it under an overhang can offer additional protection from extreme weather conditions.
6. Operating Instructions
Once installed and connected to your Lorex DVR, the LAB243B camera will begin recording according to your DVR's settings. Key operational aspects include:
- High Definition Video: The 4MP image sensor delivers 2K Super HD video, providing double the detail of 1080p.
- Night Vision: The camera features IR Night Vision with a range up to 130ft (40m) in ambient lighting and 90ft (28m) in total darkness. It also includes Advanced Color Night Vision™ for improved detail in low-light conditions.
- ClearNight Imaging: This technology enhances low-light performance and improves recording efficiency by reducing noise and optimizing image clarity.
- Motion Detection: The camera supports motion-only alerts, configurable through your connected Lorex DVR system. Refer to your DVR's manual for specific motion detection setup instructions.
7. Features
- Resolution: 4MP (2K Super HD) for detailed video surveillance.
- Field of View: 89 degrees (horizontal) for wide area coverage.
- Night Vision: IR Night Vision up to 130ft (40m) / 90ft (28m) in total darkness.
- Color Night Vision: Advanced Color Night Vision™ for enhanced low-light color detail.
- Imaging Technology: ClearNight imaging for improved low-light performance.
- Weather Resistance: IP66 rated for outdoor use, protecting against dust and water.
- Connectivity: Wired BNC connection to compatible Lorex DVRs.
- Form Factor: Compact bullet design for versatile placement.
8. Maintenance
Regular maintenance helps ensure optimal performance and longevity of your security camera:
- Lens Cleaning: Periodically clean the camera lens with a soft, damp cloth to remove dust, dirt, or smudges that may affect image clarity. Avoid abrasive cleaners.
- Cable Inspection: Inspect the BNC and power cables for any signs of wear, damage, or loose connections. Secure or replace damaged cables as needed.
- Mounting Security: Check the mounting hardware periodically to ensure the camera remains securely fastened. Tighten screws if necessary.
- Software Updates: Ensure your connected Lorex DVR system's firmware is up-to-date, as updates can improve camera compatibility and performance.
9. Troubleshooting
If you encounter issues with your Lorex LAB243B camera, refer to the following common problems and solutions:
| Problem | Possible Cause / Solution |
|---|---|
| No Video Feed / Black Screen |
|
| Distorted Color / Green Hue / Black & White Image |
|
| Poor Night Vision / Black Image at Night |
|
| Camera Stops Working After Time |
|
10. Specifications
| Feature | Detail |
|---|---|
| Model Number | LAB243B |
| Brand | Lorex |
| Effective Still Resolution | 4 MP |
| Video Capture Resolution | 1080p, 2K |
| Field of View | 89 degrees (horizontal) |
| Night Vision Range | Up to 130ft (40m) in ambient light, 90ft (28m) in total darkness |
| Night Vision Type | IR Night Vision, Advanced Color Night Vision™ |
| Imaging Technology | ClearNight imaging |
| Connectivity Technology | Wired (BNC) |
| Power Source | Power Adapter (included) |
| Waterproof Rating | IP66 |
| Mount Type | Wall Mount |
| Form Factor | Bullet |
| Color | SILVER |
| Item Dimensions (L x W x H) | 7.8 x 6.8 x 3.4 inches |
| Item Weight | 1.7 Pounds |
| UPC | 695529010823, 695529011769 |
11. Warranty and Support
For specific warranty information, please refer to the warranty card included with your product or visit the official Lorex website. Lorex provides technical support for its products.
For further assistance, product registration, or to access additional resources, please visit the Lorex Store or their official support channels.

