1. Introduction
This manual provides instructions for the installation, operation, and maintenance of your Chihiros WRGB II PRO Aquarium LED Light. Please read this manual thoroughly before use to ensure proper function and safety.

Figure 1: Chihiros WRGB II PRO LED Light with adjustable stand and Bluetooth module.
2. Safety Instructions
- Ensure the power supply is disconnected before performing any maintenance or installation.
- This product is designed for indoor use only. Do not expose to direct water spray or submersion.
- Do not operate the light if the power cord or plug is damaged.
- Keep out of reach of children.
- Do not attempt to disassemble or modify the light fixture. Refer all servicing to qualified personnel.
- Ensure the light is securely mounted to prevent accidental falls into the aquarium.
3. Package Contents
The Chihiros WRGB II PRO LED Light package includes:
- Chihiros WRGB II PRO LED Light Fixture
- Adjustable Stand Brackets
- Bluetooth Module
- Power Adapter
- User Manual
4. Setup
4.1 Mounting Options
The Chihiros WRGB II PRO LED Light offers two primary mounting methods: adjustable stand brackets or a hanging kit (sold separately).
4.1.1 Using Adjustable Stand Brackets
- Insert the adjustable stand brackets into the designated slots on both ends of the light fixture.
- Adjust the length of the brackets to fit your aquarium's dimensions.
- Place the light fixture securely on the edges of your aquarium. Ensure the light is stable and level.

Figure 2: Light fixture mounted with adjustable stand brackets.
4.1.2 Using a Hanging Kit (Sold Separately)
- Attach the hanging wires to the designated points on the light fixture.
- Securely mount the hanging kit to a sturdy overhead structure, ensuring the light is suspended safely above the aquarium.
- Adjust the height of the light as needed.

Figure 3: Light fixture suspended by a hanging kit, showing kit components.
4.2 Connecting the Bluetooth Module and Power
- Connect the Bluetooth module to the light fixture's power input cable.
- Connect the power adapter to the Bluetooth module.
- Plug the power adapter into a suitable electrical outlet.
4.3 App Installation and Pairing
The Chihiros WRGB II PRO LED Light is controlled via a smartphone application.
- Download the official Chihiros app from your device's app store (iOS or Android).
- Ensure Bluetooth is enabled on your smartphone.
- Open the Chihiros app and follow the on-screen instructions to search for and pair with your WRGB II PRO light.
- Once paired, you can control the light settings through the app.

Figure 4: Smartphone app interface for controlling the light via the Bluetooth module.
5. Operating Instructions
The Chihiros WRGB II PRO LED Light offers comprehensive control through its dedicated smartphone application.
5.1 App Control Features
- Brightness Adjustment: Adjust the overall intensity of the light.
- Color Channel Control: Independently adjust the intensity of Red, Green, and Blue (RGB) LED channels to customize the light spectrum.
- Timer Function: Set daily on/off schedules for the light.
- Sunrise/Sunset Simulation: Program gradual dimming up and down to simulate natural sunrise and sunset effects.
- Custom Presets: Save your preferred light settings for quick access.
Refer to the in-app guide for detailed instructions on using each feature.
5.2 Manual Control (Touch Switch)
A basic touch switch is integrated for immediate on/off control. For advanced settings and programming, the smartphone app is required.
6. Maintenance
- Cleaning: Regularly wipe the light fixture with a soft, dry cloth to remove dust and water spots. Ensure the light is unplugged before cleaning. Do not use abrasive cleaners or solvents.
- Inspection: Periodically check the power cord and connections for any signs of damage.
- Ventilation: Ensure the light's heat sink remains clear of obstructions to allow for proper heat dissipation.
7. Troubleshooting
- Light does not turn on:
- Check if the power adapter is securely plugged into both the light and the electrical outlet.
- Verify that the electrical outlet is functional.
- Ensure the Bluetooth module is correctly connected.
- Cannot connect to the app:
- Ensure Bluetooth is enabled on your smartphone.
- Restart the Chihiros app.
- Unplug the light for 30 seconds and then plug it back in to reset the Bluetooth module.
- Ensure your smartphone is within close proximity to the light fixture.
- Light settings are not saving:
- Ensure you are saving your settings within the app after making changes.
- Check for app updates and ensure you are running the latest version.
8. Specifications

Figure 5: Product dimensions and Bluetooth module details.
| Feature | Specification |
|---|---|
| Model Number | WRGB2PRO |
| Product Dimensions | 35"D x 5.5"W x 7.08"H |
| Light Source Type | LED (WRGB) |
| Control Method | App (Bluetooth/Wi-Fi) |
| Connectivity Technology | USB |
| Water Resistance Level | Water Resistant |
| Material Type | Glass (likely referring to light panel) |
| Color | Black |
| Indoor/Outdoor Usage | Indoor |
9. Warranty and Support
This product comes with a manufacturer's warranty. For specific warranty details, claims, or technical support, please refer to the documentation included with your purchase or contact CHIHIROS AQUATIC STUDIO directly through their official website or customer service channels.