ULANZI Select K7 Pro
ULANZI K7 Pro Desk Key Light User Manual
Model: K7 Pro | Brand: ULANZI Select
1. Introduction
The ULANZI K7 Pro Desk Key Light is designed to provide adjustable and soft illumination for various applications such as video conferencing, streaming, and photography. It features dimmable brightness and adjustable color temperature to suit different lighting needs, ensuring optimal visual quality.

Image: ULANZI K7 Pro Desk Key Light in a typical desktop setup with a laptop.
1.1 Key Features
- Dimmable 3200K-5600K Color Temperature: Offers a versatile range from warm (3200K) to cool (5600K) lighting to match ambient conditions or creative preferences.
- Edge-lit Technology: Utilizes a soft board guiding technology to provide diffused, natural light, reducing harsh shadows and protecting eyes.
- 360° Rotation Ball Head: Allows for flexible positioning and precise angle adjustment of the light panel.
- Super Clamp & Extendable Pole: Securely mounts to desks with a C-clamp (up to 60mm width) and features an extendable pole for adjustable height.
- Versatile Use: Suitable for various applications including green screen lighting, home office setups, streaming, and video conference calls.
1.2 Package Contents
- ULANZI K7 Pro Key Light Panel
- Extendable Desk Pole
- Desk C-Clamp
- 360° Rotation Ball Head
- USB Power Cable
2. Setup Instructions
2.1 Assembling the Desk Clamp and Pole
- Attach the extendable pole to the desk C-clamp by screwing it into the designated slot.
- Secure the C-clamp to your desk. Ensure the clamp is tightened firmly for stability. The clamp accommodates desk thicknesses up to 60mm (2.36 inches) and includes a mesh anti-slip mat to protect your desktop surface.

Image: Detailed view of the C-clamp with its anti-slip mat and maximum clamping width.
2.2 Attaching the Light Panel
- Screw the 360° rotation ball head onto the top of the extendable pole.
- Mount the ULANZI K7 Pro light panel onto the ball head, ensuring it is securely fastened.

Image: Illustration of the ball head's rotational and pitch adjustment capabilities.
2.3 Power Connection
Connect the provided USB power cable to the USB port on the light panel. Plug the other end of the USB cable into a suitable USB power source, such as a computer USB port, a USB wall adapter, or a power bank.
3. Operating the Key Light
3.1 Power On/Off
Locate the power switch on the back of the light panel. Toggle the switch to turn the key light on or off.
3.2 Adjusting Brightness
Rotate the brightness dial, typically located next to the power switch, to increase or decrease the light intensity. The brightness can be adjusted from 0% to 100% to achieve your desired illumination level.
3.3 Adjusting Color Temperature
Rotate the color temperature dial to change the light's warmth. This allows you to select a color temperature ranging from 3200K (warm, yellowish light) to 5600K (cool, bluish-white light).

Image: Visual representation of color temperature and brightness adjustments.
3.4 Positioning the Light
Utilize the 360° rotation ball head to precisely adjust the light panel's angle and direction. The extendable pole allows for height adjustments from 39.5cm (15.55 inches) to 86cm (33.85 inches), enabling you to achieve optimal lighting for your setup.

Image: The ULANZI K7 Pro Key Light shown at various height settings on a desk.

Image: Example of two ULANZI K7 Pro Key Lights used for illuminating a desktop workspace.
4. Maintenance
4.1 Cleaning
To clean the ULANZI K7 Pro Key Light, gently wipe the light panel and stand with a soft, dry, lint-free cloth. Avoid using abrasive cleaners, solvents, or harsh chemicals, as these can damage the surface and internal components.
4.2 Storage
When not in use, store the key light in a cool, dry place away from direct sunlight, excessive heat, and extreme temperatures. Ensure it is protected from dust and moisture.
5. Troubleshooting
| Issue | Possible Cause | Solution |
|---|---|---|
| Light does not turn on | Loose power connection Faulty power source | Ensure the USB power cable is securely connected to both the light and a functioning power source. Try a different USB port or wall adapter. |
| Light flickers or makes a 'whine' sound | Insufficient power supply Operating at very low brightness | Ensure the power source provides adequate power. Try increasing the brightness level. Use a different USB power adapter. |
| Light is too bright even at lowest setting | Proximity to subject | Increase the distance between the light and your subject. Consider using additional diffusion if further softening is required. |
| Light is unstable on the desk | C-clamp not tightened Uneven desk surface | Ensure the C-clamp is tightened securely to the desk. Verify that the desk surface is flat and stable. |
6. Technical Specifications
| Feature | Detail |
|---|---|
| Brand | ULANZI Select |
| Model Number | K7 |
| ASIN | B0CMTTWRLS |
| Color Temperature Range | 3200K-5600K |
| CRI (Color Rendering Index) | 95+ |
| Beam Angle | 120° |
| Illuminance | 828 LUX/0.5M |
| Connectivity Technology | USB |
| Hardware Interface | USB |
| Package Dimensions | 16.89 x 10.91 x 2.64 inches |
| Item Weight | 2.92 pounds |
| Desk Clamp Width | Up to 60mm (2.36 inches) |
| Pole Extension Range | 39.5cm (15.55 inches) to 86cm (33.85 inches) |
7. Warranty and Support Information
7.1 Warranty
The ULANZI K7 Pro Desk Key Light comes with a standard manufacturer's warranty. For detailed information regarding warranty coverage, terms, and conditions, please refer to the official ULANZI Select website or the warranty card included with your product. Please retain your proof of purchase for warranty claims.
7.2 Customer Support
For technical assistance, product inquiries, or troubleshooting not covered in this manual, please contact ULANZI Select customer service. You can typically find contact information on the official ULANZI Select website or through your retailer's support channels.
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