Introduction
This manual provides instructions for the installation, operation, and maintenance of your Evertech 1080p HD 4-in-1 Indoor Mini Pinhole Security Camera. This camera is designed for indoor surveillance applications, offering high-definition video output compatible with AHD, TVI, CVI, and traditional analog DVR systems.
What's Included
Verify that all components are present in the package:
- 1 x Evertech 1080p HD 4-in-1 Indoor Mini Pinhole Security Camera
- 1 x Technical Specification Sheet
- 4 x Mounting Screws
- 4 x Plastic Wall Anchors

Figure 1: Package Contents and Camera Overview. This image displays the camera unit, mounting hardware, and a label indicating its 4-in-1 video output compatibility.
Specifications
| Image Sensor | 1/2.9" CMOS Sensor |
| Resolution | 1920 x 1080p (1080p HD) |
| Video Output | AHD, CVBS (Analog), TVI, CVI |
| Lens | 3.7mm Pinhole Lens (Wide Angle) |
| Power | 12V DC |
| Dimensions (L x D x H) | 54mm x 59mm x 114mm (approx. 2.13" x 2.32" x 4.49") |
| Indoor/Outdoor Usage | Indoor Only |
| Connectivity Technology | Wired (BNC) |
| Model Number | EVCHMTL3721V21 |

Figure 2: Camera Features and Specifications. This image highlights the physical attributes of the camera and provides a summary of its technical specifications.

Figure 3: Camera Dimensions. This diagram provides precise measurements of the camera from front and side views.

Figure 4: Compact Size Reference. This image demonstrates the small form factor of the camera when held in a hand.
Setup
1. Video Mode Configuration (DIP Switch)
The camera supports four video output modes: HD CVI, Analog (CVBS), HD TVI, and AHD. You must configure the camera's video mode to match your Digital Video Recorder (DVR) system using the DIP switch located on the camera's cable.
- Locate the small DIP switch module on the camera's cable.
- Refer to the diagram below to set the switches (1 and 2) to the correct position for your desired video format.
- Ensure the camera is powered off before changing DIP switch settings.

Figure 5: DIP Switch Settings for Video Mode Selection. This image illustrates how to configure the camera's output mode.
Note: This camera is compatible with 1080p, 4k, 5MP, 3MP, and 2MP AHD, TVI, CVI, and Traditional Analog Security Digital Video Recorders. It is not compatible with 720p and HD-SDI Security DVRs.
2. Installation and Connection
Follow these steps to install and connect your camera to a DVR system:
- Mounting: Choose a suitable indoor location for the camera. Use the provided screws and wall anchors to securely mount the camera. The camera's small size and pinhole lens allow for discreet placement.
- Power Connection: Connect the camera's power input (typically a red connector) to a 12V DC power supply.
- Video Connection: Connect the camera's video output (BNC connector, typically green) to an available video input channel on your compatible DVR using a BNC cable.
- DVR Setup: Ensure your DVR is powered on and configured to recognize the input from the camera. Refer to your DVR's manual for specific setup instructions.
- Monitor Connection: Connect your DVR to a monitor via HDMI or VGA to view the camera feed.

Figure 6: Connection Diagram. This diagram shows how to connect the camera to a power supply and a DVR, and how the DVR connects to a display monitor.
Operating Instructions
Once the camera is properly installed and connected to your DVR system, operation is typically managed through the DVR interface.
- Live View: Access the live video feed from the camera through your DVR's monitoring interface.
- Recording: Configure recording settings (e.g., continuous, motion-activated, scheduled) on your DVR.
- Playback: Use your DVR's playback functions to review recorded footage.
- Remote Access: If your DVR supports remote access, you can view the camera feed from a connected device (e.g., smartphone, computer) after proper network configuration.
Refer to your specific DVR's user manual for detailed instructions on managing video feeds, recording, and playback.
Maintenance
To ensure optimal performance and longevity of your Evertech camera, follow these maintenance guidelines:
- Cleaning: Gently wipe the camera lens and body with a soft, dry cloth to remove dust. Avoid using harsh chemicals or abrasive materials.
- Environment: Ensure the camera is used strictly indoors and kept away from moisture, extreme temperatures, and direct sunlight.
- Cable Integrity: Periodically check all cables for damage or loose connections.
- Power Supply: Use only the recommended 12V DC power supply.
Troubleshooting
If you encounter issues with your camera, consider the following troubleshooting steps:
- No Video Signal:
- Verify the power supply is connected and functioning.
- Check all video cable connections between the camera and DVR.
- Ensure the camera's DIP switch is set to the correct video mode compatible with your DVR.
- Confirm your DVR is compatible with 1080p AHD/TVI/CVI/Analog signals (not 720p or HD-SDI).
- Try connecting the camera to a different DVR input or a known working DVR.
- Poor Image Quality:
- Clean the camera lens.
- Ensure adequate lighting in the surveillance area.
- Check cable quality and length; long or low-quality cables can degrade signal.
- Camera Not Powering On:
- Check the power adapter and outlet.
- Ensure the power cable is securely connected to the camera.
Warranty Information
This Evertech camera comes with a One Year Manufacturer Warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use. It does not cover damage caused by misuse, accidents, unauthorized modifications, or improper installation.
For warranty claims or service, please contact Evertech customer support with your proof of purchase.
Customer Support
If you require further assistance or have questions not covered in this manual, please contact Evertech customer support. Contact information can typically be found on the Evertech website or on your product packaging.
For additional resources, you may visit the Evertech Store on Amazon.