Product Overview
The Rosekm 4.5L Cool Mist Humidifier is designed to provide long-lasting comfort and improve air quality in your home. It features adjustable mist levels, a 360° rotatable nozzle, and an automatic shut-off function for safety and convenience.

Front view of the Rosekm 4.5L Cool Mist Humidifier, showcasing its sleek black design and transparent water tank.
Key Features:
- Long-Lasting Comfort: Up to 40 hours of continuous moisture on low mist setting with a 4.5L (1.2 gal) capacity.
- Flexible Timer Options: Set shut-off timer for 1, 2, 4, or 8 hours.
- Quiet Operation: Ultra-quiet design for peaceful nights.
- Personalized Mist Control: Adjustable mist levels (Low, Mid, High) with a simple touch.
- Controlled Coverage: 360° nozzle for directed mist.
- Auto Shut-Off: Automatically stops when water tank is empty.

The humidifier operating on a nightstand, highlighting its long runtime and large capacity.

The humidifier in a plant setting, illustrating its flexible timer options for precise humidity control.

The humidifier providing a peaceful environment for sleep, showcasing its whisper-quiet and auto shut-off features.
Setup
Follow these simple steps to set up your Rosekm Humidifier:
- Step 1: Remove the Water Tank. Gently lift the water tank from the base unit.
- Step 2: Fill the Water Tank. Unscrew the cap at the bottom of the water tank. Fill the tank with clean, cool tap water. Do not add essential oils or other additives directly into the water tank. Securely screw the cap back on.
- Step 3: Place Tank on Base. Carefully place the filled water tank back onto the base unit, ensuring it is seated correctly.
- Step 4: Connect Power and Turn On. Plug the power cord into a suitable electrical outlet. Press the power button on the front panel to turn on the humidifier.

The Rosekm Humidifier shown alongside its retail packaging.
Operating Instructions
Your Rosekm Humidifier offers intuitive controls for a customized experience.
Power On/Off:
- Press the power button (⏻) once to turn the unit on.
- Press and hold the power button to turn the unit off.
Adjusting Mist Level:
The humidifier features three mist output levels: Low, Mid, and High.
- Press the mist control button (💧) repeatedly to cycle through the mist levels. The indicator lights (L, M, H) will illuminate to show the current setting.
- Choose the mist level that best suits your comfort and room size.

Visual representation of the adjustable mist settings (Low, Mid, High) and the mist control button.
Setting the Timer:
The humidifier can be set to automatically shut off after a specified duration.
- Press the timer button (🕒) repeatedly to select a shut-off time of 1, 2, 4, or 8 hours.
- The corresponding indicator light will illuminate. To cancel the timer, cycle through the options until no timer light is illuminated.
360° Nozzle:
The top nozzle can be rotated 360 degrees to direct the mist flow in any desired direction, ensuring optimal humidity distribution.

Detailed view of the 360° rotatable nozzle and the convenient built-in handle for easy transport.
Automatic Shut-Off:
For your safety and to prevent damage to the unit, the humidifier will automatically turn off when the water tank is empty. Refill the tank to resume operation.
Maintenance
Regular cleaning is essential to maintain the performance and longevity of your humidifier, especially if you have hard water.
Cleaning Instructions:
- Daily Maintenance: Empty and rinse the water tank and base unit daily. Allow all parts to air dry completely before reassembling.
- Weekly Cleaning (for hard water areas):
- Unplug the humidifier and remove the water tank.
- Do not submerge the base unit in water. Use a moist paper towel and cotton swabs to clean the inside of the base, especially around the ultrasonic vibrator and water sensor.
- For mineral buildup (limescale) in the tank or base, fill the tank with a mixture of equal parts white vinegar and water. Let it sit for 30 minutes, then rinse thoroughly.
- Wipe down all surfaces with a soft cloth. Ensure all parts are completely dry before reassembly and storage.
Note: Avoid using harsh chemicals or abrasive cleaners, as they may damage the humidifier.
Troubleshooting
If you encounter issues with your humidifier, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No mist or low mist output |
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| Unit does not turn on / Lights blink |
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| Unusual noise |
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Specifications
| Brand | Rosekm |
| Model Name | KC-KM13T-4.5L |
| Capacity | 4.5 Liters (1.2 Gallons) |
| Product Dimensions | 6.81"D x 6.81"W x 11.65"H |
| Item Weight | 3.1 pounds |
| Voltage | 110 Volts (AC) |
| Wattage | 18 watts |
| Control Method | Touch |
| Special Features | Adjustable Humidity Control, Auto Shut Off, Low Water Indicator, Removable Tank, Timer |
| Filter Type | Filter Free |
| Room Type | Bedroom, Kids Room, Living Room, Nursery, Office |

Diagram showing the dimensions of the Rosekm 4.5L Cool Mist Humidifier.
Warranty and Support
The Rosekm 4.5L Cool Mist Humidifier comes with a 5-year warranty, ensuring peace of mind regarding your purchase.
Our dedicated customer support team is available to assist you with any questions, concerns, or issues you may encounter. Please refer to the contact information provided in your product packaging or visit the official Rosekm website for support.
We are committed to ensuring your satisfaction with our products.





