Introduction
Thank you for choosing CLOUDY BAY Smart WiFi LED Recessed Lights. This manual provides detailed instructions for the safe installation, operation, and maintenance of your new lighting system. These 4-inch smart recessed lights offer RGBCW color changing capabilities, tunable white light from 2700K to 6500K, and are compatible with Amazon Alexa and Google Home Assistant for convenient voice and app control.
Safety Information
Please read all instructions carefully before installation and use. Failure to follow these instructions may result in electric shock, fire, or other hazards. Keep this manual for future reference.
- WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
- Always turn off power at the circuit breaker before beginning installation or performing any maintenance.
- Consult a qualified electrician if you are unsure about the installation process.
- Do not modify the fixture or its components.
- Ensure all electrical connections are secure and comply with local electrical codes.
- This product is suitable for wet locations.
- Do not use with a traditional dimmer switch. Dimming is controlled via APP or Voice only.
Product Overview
The CLOUDY BAY Smart WiFi LED Recessed Lights are designed for easy installation and versatile smart home integration. Each light unit comes with a separate junction box for convenient wiring.

Image: A single CLOUDY BAY 4-inch Smart WiFi LED Recessed Light shown with its accompanying junction box and a smartphone displaying the control app interface. Multiple light units are also visible in the background, illustrating a multi-pack.
Key Features:
- APP Control: Download the CloudyBay APP to control brightness (1%-100%), color temperature (2700K-6500K), and 16+ million RGB colors.
- Voice Control: Compatible with Amazon Alexa and Google Home Assistant for hands-free operation.
- Music Sync: Lights can synchronize with music beats for dynamic lighting effects.
- 8 Scenarios: Customizable lighting scenes for various activities like reading, working, or entertaining.
- Group and Remote Control: Organize lights into groups for simultaneous control and manage them remotely from anywhere.
- Timer Function: Schedule lights to turn on/off automatically.
- Wet Location Rated: Suitable for use in bathrooms, kitchens, and outdoor soffits.
Product Dimensions:

Image: A detailed diagram illustrating the physical dimensions of the 4-inch recessed light fixture and its associated junction box. Key measurements include the light's diameter (4-3/4 inches), illumination diameter (3 inches), and the junction box dimensions (4 inches L x 2-3/4 inches W x 1-3/8 inches H), along with a 12-inch cable connecting them.
- Light Fixture: 4.75"L x 4.75"W x 0.88"H
- Junction Box: 4"L x 2.75"W x 1.38"H
- Cable Length: 12 inches
Setup and Installation
Follow these steps for proper installation of your recessed lights. Ensure power is off before starting.

Image: A diagram indicating the precise cut hole size required for installation. It specifies a 4-1/4 inch hole as correct, while 4-1/2 inch and 4-5/8 inch holes are marked as incorrect, with a note that a goof ring is recommended for larger existing holes.
- Prepare the Hole: Cut a 4-1/4 inch hole in the ceiling using the provided template. Note: Not suitable for remodel or new construction housing with 4-1/2" to 4-5/8" holes. A goof ring is recommended if you have existing larger holes.
- Wiring the Junction Box: Open the junction box. Feed the supply wires into the knockout hole and make all necessary electrical connections (Live, Neutral, Ground) securely.
- Insert Junction Box: Insert the wired junction box into the ceiling hole.
- Install Light Fixture: Hold the spring clips on the light fixture against the fixture body. Gently guide the fixture into the ceiling hole until the clips snap into place, securing the light.

Image: A visual step-by-step guide demonstrating the installation process of the recessed light. It shows cutting the hole, wiring the junction box, inserting the box, and finally, securing the light fixture with its spring clips into the ceiling.
Initial Smart Setup:
After physical installation, follow these steps to connect your lights to the CloudyBay APP and voice assistants.
- Prepare 2.4GHz Wi-Fi: Ensure your Wi-Fi network is 2.4GHz. The lights do not support 5GHz networks.
- Connect to Wi-Fi & Open App: Connect your smartphone to your 2.4GHz Wi-Fi network. Download and open the "CloudyBay" APP from your App Store. Register and Log In.
- Set Up Lights: Turn the lights on/off 3 times until they begin to breathe (blink slowly). This indicates pairing mode.
- Add Lighting in App: In the CloudyBay APP, click the "+" icon to add a new device. Follow the on-screen prompts to connect the lights to your Wi-Fi network.
- Link to Voice Assistant: Once connected to the app, you can link your CloudyBay account to Amazon Alexa or Google Assistant through their respective apps.

Image: A visual guide showing the four main steps for initial smart light setup: preparing 2.4GHz Wi-Fi, connecting phone to Wi-Fi and opening the app, setting lights to pairing mode, and linking to Alexa or Google Assistant.
Operating Instructions
Your CLOUDY BAY Smart WiFi LED Recessed Lights offer a variety of control options for a personalized lighting experience.
APP Control:
Use the CloudyBay APP to access all smart features.
- Brightness Adjustment: Smoothly dim the lights from 1% to 100%.
- Color Temperature (CCT) Adjustment: Change the white light from warm (2700K) to cool (6500K).
- RGB Color Selection: Choose from over 16 million colors to set the perfect mood.
- Scene Modes: Select from pre-set scenes or create your own custom lighting scenarios.

Image: A living room illuminated by recessed lights, showcasing the ability to adjust color temperature from warm white (2700K) to cool white (6500K) and dim the brightness from 1% to 100%. It highlights that control is via APP and Voice, not a physical dimmer switch.
Voice Control:
Once linked, use simple voice commands with Amazon Alexa or Google Home Assistant.
- Example commands: "Alexa, dim the light to 20%", "Hey Google, turn the lights to warm white."

Image: A couple on a couch interacting with smart speakers (Amazon Echo Dot and Google Home) to control their smart lights using voice commands like "Alexa, set the lights to 10% brightness" and "Hey, Google, turn the lights to warm white."
Music Sync:
Enhance your entertainment by syncing lights to music.
- Activate the music sync feature in the CloudyBay APP. Lights will change color and brightness in rhythm with your music.

Image: A group of people celebrating at a party, with the room illuminated by vibrant, color-changing lights that are synchronized to music, creating a dynamic and festive atmosphere. A smartphone screen shows the music sync interface.
Group Control and Scheduling:
Manage multiple lights efficiently and automate your lighting.
- Create Groups: In the CloudyBay APP, you can group multiple lights together (e.g., "Living Room Lights," "Bedroom Lights") to control them simultaneously.
- Set Schedules: Use the timer function to set specific times for lights to turn on or off.

Image: An illustration of a modern house at dusk, with different areas (Bedroom, Living Room, Soffit, Patio) highlighted by smart lights. Text overlays indicate scheduled turn-on/off times for various light groups, and a sequence of smartphone screens demonstrates how to create and manage light groups within the CloudyBay app.
Maintenance
To ensure the longevity and optimal performance of your CLOUDY BAY Smart WiFi LED Recessed Lights, follow these simple maintenance guidelines:
- Cleaning: Ensure the power is off before cleaning. Wipe the light fixture with a soft, dry cloth. Do not use abrasive cleaners, solvents, or cleaners containing alcohol, as these can damage the finish or electrical components.
- Inspection: Periodically check the fixture for any signs of damage or loose connections. If any issues are found, turn off the power and consult a qualified electrician.
- No User-Serviceable Parts: The LED light source is integrated and not replaceable. Do not attempt to disassemble the fixture.
Troubleshooting
If you encounter issues with your smart recessed lights, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Light does not turn on. | No power, loose wiring, or faulty fixture. | Check circuit breaker. Ensure all wiring connections are secure. Test with another known working fixture if possible. |
| Light flickers or dims unexpectedly. | Incompatible dimmer switch, unstable power supply, or loose connection. | Ensure no traditional dimmer switch is used. Check power supply stability. Verify wiring connections. |
| Cannot connect to Wi-Fi/APP. | Incorrect Wi-Fi band (5GHz), weak signal, incorrect password, or light not in pairing mode. | Ensure your phone is connected to a 2.4GHz Wi-Fi network. Move closer to the router. Double-check Wi-Fi password. Reset light to pairing mode (turn on/off 3 times until it breathes). |
| Voice control not working. | Not linked to voice assistant, incorrect commands, or internet connectivity issues. | Verify CloudyBay account is linked in Alexa/Google Home app. Use correct voice commands. Check internet connection of smart speaker. |
| Colors are not accurate or responsive. | App synchronization issue or network delay. | Close and reopen the CloudyBay APP. Ensure stable Wi-Fi connection. Try resetting the light and re-pairing. |
Specifications
| Attribute | Value |
|---|---|
| Brand | CLOUDY BAY |
| Model Number | LJD004SM** |
| Color | RGBCW (Red, Green, Blue, Cool White, Warm White) |
| Material | Aluminum, Plastic, Acrylic (Shade) |
| Wattage | 10 watts (replaces 75W incandescent) |
| Brightness | 650 Lumens |
| Color Temperature | 2700K-6500K Tunable |
| Dimming | 1%-100% Stepless Dimming (APP/Voice controlled only) |
| Voltage | 120 Volts |
| CRI | 90+ |
| Connectivity | Wi-Fi (2.4GHz), Bluetooth |
| Control Method | APP, Voice (Amazon Alexa, Google Assistant) |
| Installation Type | Recessed, Ceiling Mount |
| Indoor/Outdoor Usage | Indoor, Outdoor (Wet Location) |
| Certifications | ETL, FCC |
| Item Weight | 5.39 pounds (for 6-pack) |
| Included Components | Light Units, Junction Boxes, Quick Connectors, Cutting Template |
Warranty and Support
CLOUDY BAY provides a warranty for this product to ensure your satisfaction.
- Warranty: This product comes with a 3-year warranty.
- Support: For any questions or professional assistance, please contact CLOUDY BAY customer service.
Sustainability Features
This product is part of Amazon's Climate Pledge Friendly initiative, reflecting its commitment to environmental sustainability.

Image: A banner highlighting 'Sustainability Features' with a prominent green leaf icon, indicating the product's contribution to environmental conservation efforts.
Products with sustainability features from Amazon help in reducing environmental impact by promoting energy efficiency, using eco-friendly materials, and minimizing waste generation, contributing to overall environmental conservation efforts.





