1. Introduction
Thank you for choosing the Eiifiter Colorful Flame Fire Diffuser Humidifier. This device combines the benefits of an aromatherapy diffuser and a humidifier, featuring a unique flame effect with customizable colors. Designed for quiet operation and safety with an automatic shut-off function, it is ideal for creating a relaxed and soothing atmosphere in your home, office, bedroom, or spa.

Image 1: The Eiifiter Flame Fire Diffuser Humidifier showcasing its vibrant flame effect.
2. Safety Information
Please read all safety instructions carefully before using the diffuser. Failure to follow these guidelines may result in injury or damage to the product.
- Avoid direct skin contact with undiluted essential oils.
- Keep the device out of reach of children and pets.
- Ensure proper ventilation during use.
- Do not ingest essential oils.
- Always follow the recommended usage guidelines for essential oils to prevent adverse reactions.
- Do not overfill the water tank.
- Use only clean tap water or distilled water.
- Unplug the device before cleaning or refilling.
3. Package Contents
Verify that all items are present in the package:
- Eiifiter Flame Fire Diffuser Humidifier (Model DQ709)
- USB Power Cable
- User Manual
Note: A DC5.0V/2.0A adapter is required for optimal performance and is not included.
4. Setup
Follow these steps to set up your diffuser:
- Place the diffuser on a flat, stable surface.
- Gently remove the top cover of the diffuser.
- Fill the water tank with clean tap water or distilled water up to the MAX fill line (150ml capacity). Do not overfill.
- Add 3-5 drops of your favorite essential oil directly into the water tank. Adjust the amount based on your preference.
- Replace the top cover securely.
- Connect the USB power cable to the diffuser and plug the other end into a DC5.0V/2.0A power adapter (not included) or a compatible USB port.

Image 2: Illustrates the process of filling the diffuser with water.

Image 3: Important note on using a DC5.0V/2.0A adapter for proper functionality.
5. Operating Instructions
Your Eiifiter diffuser features intuitive controls for mist and light settings:
- Power On/Off: Press the middle button to turn the diffuser on or off.
- Flame Modes: Press the left button to cycle through flame modes: Stable flame, 7-colors changing (colors change one at a time), or Cool mist only.
- Timer Settings: Press the right button to set the operating time: 1 hour, 3 hours, or 5 hours. The diffuser will automatically shut off when the selected time expires or when water runs out.

Image 4: Control buttons for light, timer, and mist functions.

Image 5: Visual representation of the 7-color flame changing feature.

Image 6: The diffuser's ultra-quiet operation (25dB) ensures a peaceful environment.
6. Maintenance
Regular cleaning and maintenance will prolong the lifespan of your diffuser and ensure optimal performance:
- Daily Maintenance: After each use, empty any remaining water from the tank. Wipe the inside of the water tank with a clean, soft cloth.
- Weekly Cleaning:
- Unplug the diffuser and remove the top cover.
- Pour out any remaining water.
- Add a small amount of warm water (not hot) and a few drops of white vinegar to the water tank.
- Let it soak for 5-10 minutes to loosen any mineral buildup.
- Gently clean the ultrasonic disc (the small metal disc at the bottom of the tank) with a cotton swab dipped in vinegar. Do not scrub or use abrasive materials.
- Rinse the tank thoroughly with clean water, ensuring no vinegar residue remains.
- Wipe dry with a soft cloth before reassembling.
- Do not immerse the entire unit in water or other liquids.
- Avoid using harsh detergents, solvents, or abrasive cleaners.
7. Troubleshooting
If you encounter any issues with your diffuser, please refer to the following table before contacting customer support:
| Problem | Possible Cause | Solution |
|---|---|---|
| No mist or weak mist |
|
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| No light or incorrect light color |
|
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| Diffuser turns off unexpectedly |
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| Unusual noise |
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8. Specifications
| Feature | Detail |
|---|---|
| Brand | Eiifiter |
| Model Name | DQ709 |
| Color | Black |
| Capacity | 150 Milliliters |
| Product Dimensions | 0.1"L x 0.1"W x 0.1"H (25.7cm*7cm*7.5cm) |
| Material | Plastic (BPA Free) |
| Power Source | Corded Electric |
| Wattage | 10 watts |
| Special Features | Automatic Shut-Off, Compact, Long Lasting Aroma, Multiple Light Setting, Timer Setting |
| Light Source Type | LED (7 Colors Flame) |
| Runtime | Up to 8 hours |
| Noise Level | Ultra-Quiet (approx. 25dB) |
| Recommended Uses | Home, Nursery, Office, Large Room, Bedroom, Gym, Spa |
9. Warranty & Support
Eiifiter products are manufactured with high-quality standards. For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official Eiifiter store on Amazon:Eiifiter Amazon Store.
Please retain your proof of purchase for any warranty claims.

