1. Introduction
Thank you for choosing the RICIAL CM021A Sun Lamp. This UV-Free light therapy lamp is designed to provide 12,000 lux of natural sunlight, helping to improve mood, boost energy, enhance focus, and regulate sleep patterns. With its advanced features and user-friendly design, this manual will guide you through the setup, operation, and maintenance of your new device.
2. Important Safety Instructions
- Read all instructions before use.
- Do not immerse the device in water or other liquids.
- Keep out of reach of children.
- Do not use if the power cord or plug is damaged.
- Avoid prolonged direct eye contact with the light source. Glance at the light periodically.
- Consult a healthcare professional before use if you have any pre-existing eye conditions or are taking medications that increase light sensitivity.
- Unplug the device when not in use and before cleaning.
3. Package Contents
Ensure all items are present in the box:
- RICIAL CM021A Sun Lamp (pre-assembled)
- Remote Control (with batteries included)
- Power Adapter
- User Manual

Image: The RICIAL CM021A Sun Lamp with its remote control, showcasing the main unit and its accessories.
4. Product Overview
The RICIAL CM021A Sun Lamp features a large lighting screen (11.5*8.3 inches) and a stable square base. It offers multiple adjustment points for optimal positioning.
Key Features:
- UV-Free 12000 Lux Light: Provides natural sunlight simulation.
- 5 Brightness Levels: Adjustable from 10% to 100%.
- 4 Color Temperatures: Ranging from 3000K (soft light) to 6000K (cool light).
- 6 Timer Functions: 10, 20, 30, 40, 50, 60 minutes.
- Multi-Angle Adjustment: 90° rotation base, 90° up/down surface bracket, 180° light screen rotation.
- Control Options: Touch control on the base and a remote control.
- "MAX" Button: One-touch maximum brightness.

Image: Diagram illustrating the multi-angle adjustment capabilities of the lamp, including base rotation and screen tilt.
5. Setup
- Unpack: Carefully remove all components from the packaging. The lamp comes pre-assembled.
- Position: Place the lamp on a stable, flat surface.
- Adjust Angle: Adjust the lamp head and stand to your desired angle. The base rotates 90°, the surface bracket tilts 90° up and down, and the light screen rotates 180° clockwise and counter-clockwise.
- Connect Power: Insert the power adapter into the DC port on the back of the lamp's base, then plug the adapter into a standard electrical outlet.
- Insert Remote Batteries: Open the battery compartment on the remote control and insert the included batteries, ensuring correct polarity.
Video: A demonstration of the lamp's rotatable base and adjustable light panel, highlighting its flexibility for various uses.
6. Operating Instructions
6.1 Power On/Off
- Touch Control: Tap the power button (⏻) on the lamp base to turn the light on or off.
- Remote Control: Press the power button (⏻) on the remote control.
6.2 Adjusting Brightness
The lamp offers 5 levels of brightness adjustment (10%, 30%, 50%, 70%, 100%).
- Touch Control: Tap the brightness button (☀) on the base to cycle through brightness levels. Tap the "MAX" button for one-touch maximum brightness.
- Remote Control: Use the brightness increase (☀+) and decrease (☀-) buttons.

Image: Visual representation of the 5 brightness levels, from 10% to 100%, and the touch control button.
6.3 Adjusting Color Temperature
Choose from 4 color temperatures: 3000K (soft light), 4000K, 5000K, and 6000K (cool light).
- Touch Control: Tap the mode button (M) on the base to cycle through color temperatures.
- Remote Control: Use the color temperature increase (C+) and decrease (C-) buttons.

Image: Illustrates the four available color temperature settings, from warm to cool light.
6.4 Setting the Timer
The lamp features 6 timer settings: 10, 20, 30, 40, 50, and 60 minutes.
- Touch Control: Tap the timer button (◷) on the base to cycle through the timer options. Corresponding indicator lights will illuminate.
- Remote Control: Press the timer button (◷) on the remote to select the desired duration.

Image: Depicts the 6 timer modes available, showing how the lamp can be set to turn off automatically after a chosen duration.
6.5 Using the Remote Control
The remote control provides convenient access to all lamp functions from a distance.
- Power: Turn the lamp on/off.
- Brightness: Adjust brightness levels.
- Color Temperature: Change light color.
- Timer: Set automatic shut-off.
- Special Modes: Dedicated buttons for night light, reading mode, entertainment mode, and office mode.

Image: Shows both the touch controls on the lamp base and the full remote control, illustrating dual operation methods.
7. Multi-Angle Adjustment
The RICIAL CM021A Sun Lamp is designed for maximum flexibility to direct light precisely where needed.
- Base Rotation: The lamp base can rotate 90 degrees, allowing you to pivot the entire unit.
- Surface Bracket Tilt: The bracket connecting the light panel to the base can tilt 90 degrees up and down.
- Light Screen Rotation: The light panel itself can rotate 180 degrees clockwise and counter-clockwise, enabling both vertical and horizontal light orientation.

Image: The sun lamp positioned on a table, demonstrating its ability to be adjusted to different angles for optimal light exposure.
8. Maintenance
- Cleaning: Ensure the lamp is unplugged before cleaning. Use a soft, dry cloth to wipe the surface. Do not use abrasive cleaners or solvents.
- Storage: When not in use for extended periods, store the lamp in a cool, dry place. The lamp can be folded flat for compact storage.
9. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Lamp does not turn on. | No power supply. | Check if the power adapter is securely plugged into the lamp and the outlet. |
| Remote control not working. | Batteries are dead or incorrectly inserted. | Replace batteries or ensure correct polarity. Ensure no obstructions between remote and lamp. |
| Light flickers or is unstable. | Loose connection or power fluctuation. | Check power connections. Try plugging into a different outlet. |
| Cannot adjust brightness/color. | Controls unresponsive. | Ensure the lamp is powered on. Try using both touch controls and remote control. If using remote, ensure it's paired (refer to remote control pairing instructions in the full manual). |
10. Specifications
| Model Number | CM021A |
| Light Source | LED |
| Light Intensity | 12,000 Lux |
| Brightness Levels | 5 (10%, 30%, 50%, 70%, 100%) |
| Color Temperatures | 4 (3000K, 4000K, 5000K, 6000K) |
| Timer Settings | 10, 20, 30, 40, 50, 60 minutes |
| Power Source | Corded Electric (12V) |
| Wattage | 12 Watts |
| Product Dimensions | 9.53"D x 3.85"W x 15.27"H |
| Item Weight | 4.75 pounds |
| Material | Plastic |
| Control Method | Touch, Remote |
11. Warranty and Support
For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official RICIAL website. Keep your purchase receipt for warranty claims.