Govee H66A1
Govee TV Backlight 3 Pro Instruction Manual
Model: H66A1 for 75-85 Inch Screens
Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your Govee TV Backlight 3 Pro. This system is designed to enhance your viewing experience by synchronizing ambient lighting with the content on your 75-85 inch television screen, creating a more immersive home theater atmosphere.
What's in the Box
- 16.4ft LED strip lights × 1
- Camera × 1
- Adapter × 1
- Control box × 1
Setup Guide
Follow these steps for proper installation of your Govee TV Backlight 3 Pro:
- Prepare Your TV: Ensure your TV screen and the back of the TV are clean and dry before installation.
- Place Camera: Position the camera on top of your TV at a 90-degree angle, ensuring it has a clear view of the entire screen. The camera's gravitational hanging design adapts to most ultra-thin TVs.
- Attach LED Strip Lights: Fasten the LED strip lights to the back of your TV using the included clips. Ensure the strip is evenly distributed along the edges. For 75-85 inch TVs, leave a 3-5cm gap from the edge.
- Connect Components: Connect the LED strip lights, camera, and power adapter to the control box. Plug the adapter into a power outlet.
- App Download and Pairing: Download the Govee Home App from your device's app store. Follow the in-app instructions to pair your Govee TV Backlight 3 Pro.
- Calibration: Use the Govee Home App for camera calibration. This involves attaching orange foam calibration stickers to the screen, then dragging blue dots in the app to match their positions. After calibration, remove the stickers.
- White Balance Calibration: Play a light grey image in full screen on your TV, then use the one-click white balance calibration feature in the Govee Home App for optimal color accuracy.

Image: Step 1 of installation showing the camera being placed on top of a TV, angled downwards.

Image: Step 2 of installation showing the LED strip lights being attached to the back of a TV with clips.
Video: A detailed guide provided by Govee US on how to calibrate the camera for Govee TV Lights 3 Pro.
Operating Instructions
Control your Govee TV Backlight 3 Pro using the Govee Home App or compatible smart home assistants.
- Govee Home App: Access various lighting modes, color adjustments, and advanced features directly from the app.
- AI Filter Function: Use the one-tap AI filter function within the app to extract theme colors from movies or shows, creating an immersive atmosphere that matches the content's style.
- DreamView Sync: Synchronize your TV backlight with up to 10 other Govee lights for a unified lighting experience across your room.
- Smart Home Integration: The system is compatible with Matter, Alexa, and HomeKit for convenient voice control and seamless integration into your existing smart home ecosystem.
- Blank Screen Detection: The system features intelligent blank screen detection for improved auto power-off, contributing to energy savings.
Key Features
- HDR Image Capture Capability: An upgraded image sensor with HDR technology helps capture more true-to-life colors, securing brighter highlights and deeper shadows from the screen to enhance viewing immersion.
- High-Precision Triple Camera: The TV Backlight expands the color-pick area by 50% around the corners using a triple-lens setup, improving accuracy by independently capturing colors across multiple individually calibrated zones on the TV screen.
- High-Density TV Strip with LuminBlend Tech: Brighter with 75 LEDs/m and 5-in-1 RGBWWIC lamp beads blending cool and warm white. The built-in 16-bit chip delivers accurate colors and smoother gradients through an intelligent color-mixing algorithm.
- Compact 85mm Camera Length: The new small lens module has been visually reduced in size and naturally fits the curve of TV edges when installed, ensuring a seamless aesthetic.
- Full Compatibility: This LED TV Backlight can instantly capture the color of any TV screen without compatibility issues. Use Govee TV Backlight 3 Pro while streaming content, watching online videos, gaming, and more.

Image: Illustration of the advanced image sensor with HDR capture technology, showing enhanced detail in both bright and dark areas.

Image: Diagram illustrating the innovative triple-camera system and its wide-area color-picking capability.

Image: Close-up of the enhanced LED light strip, highlighting the 5-in-1 RGBWWIC lamp beads and high density.

Image: Visual representation of the compact camera design blending discreetly with a TV setup.
Maintenance
To ensure optimal performance and longevity of your Govee TV Backlight 3 Pro:
- Keep the camera lens clean and free from dust to maintain accurate color detection.
- Periodically check the LED strip adhesion to the TV back. Re-secure with additional clips if necessary.
- Avoid exposing the control box or LED strips to excessive moisture or extreme temperatures.
- Clean the LED strips and control box with a dry, soft cloth. Do not use liquid cleaners or abrasive materials.
Troubleshooting
If you encounter issues with your Govee TV Backlight 3 Pro, refer to the following common solutions:
| Problem | Solution |
|---|---|
| Lights not turning on | Check all power connections. Ensure the adapter is securely plugged into the control box and a working power outlet. Verify the control box is powered on. |
| Inaccurate color synchronization | Recalibrate the camera using the Govee Home App. Ensure the camera lens is clean and unobstructed. Check for sufficient ambient light during calibration, avoiding direct glare on the screen. |
| Lights not responding to app/voice commands | Ensure your mobile device is connected to the internet and Bluetooth is enabled. Restart the Govee Home App. Check if the device is properly paired in the app. For voice control, verify successful integration with Alexa or HomeKit. |
| LED strip sections show incorrect colors | Perform a full recalibration of the camera. Ensure the LED strip is correctly installed and not damaged. If the issue persists after recalibration, contact Govee support. |
For further assistance, please refer to the Govee Home App's help section or visit the official Govee support website.
Specifications
| Feature | Detail |
|---|---|
| Model Number | H66A1 |
| Brand | Govee |
| Color | Black |
| Indoor/Outdoor Usage | Indoor |
| Light Source Type | LED |
| Power Source | Corded Electric |
| Light Color | Multicolor |
| Material | Plastic |
| Controller Type | Amazon Alexa, App Control, IFTTT, Siri, Voice Control |
| Control Method | App, Voice |
| Included Components | 16.4ft LED strip lights × 1, Adapter × 1, Camera × 1, Control box × 1 |
| Item Length | 16.4 feet |
| Number of Light Sources | 375 |
| Item Weight | 1.22 kg |
| UPC | 810172721364 |
Warranty and Support
The Govee TV Backlight 3 Pro comes with a 1-year manufacturer's warranty, as specified by Govee.
For product support, troubleshooting, or warranty claims, please contact Govee US directly. You can also find extensive help resources and FAQs within the Govee Home App.
Manufacturer: Govee
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