Important Safety Instructions
Please read and save these instructions before operating your humidifier. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Always place the humidifier on a firm, flat, water-resistant surface away from direct sunlight and heat sources.
- Do not place the humidifier near furniture or appliances that are sensitive to water.
- Do not immerse the humidifier base in water or other liquids.
- Unplug the humidifier before filling, cleaning, or moving it.
- Do not operate the humidifier with a damaged cord or plug.
- Keep out of reach of children and pets.
- Use only clean, cool tap water. Distilled or demineralized water is recommended to prevent white dust.
- Do not add essential oils directly into the water tank. Use a dedicated aroma tray if available.
Product Overview
Package Contents
- Rosekm KC-KM88 Humidifier Unit
- Remote Control
- User Manual
Product Components
Familiarize yourself with the main parts of your humidifier:

Image: The Rosekm KC-KM88 Humidifier in white, featuring a tall mist output nozzle, a digital display on the front, and a separate remote control. The unit has a large water tank capacity.
The Rosekm KC-KM88 is designed for large spaces, offering significant mist output and extended operation time.

Image: A diagram showing the Rosekm KC-KM88 Humidifier with its dimensions (11.42 inches wide, 38.98 inches high) and key features: 18L large capacity and 22.5 hours max runtime on low mist setting.
Equipped with multiple atomizers, this humidifier ensures rapid and widespread humidification.

Image: An illustration depicting the Rosekm KC-KM88 Humidifier in a large room, highlighting its 4X atomization technology and maximum coverage area of 2200 sq ft for fast whole-house humidification. An inset shows the four mist outlets.
Setup
Placement
Choose a suitable location for your humidifier. It should be placed on a flat, stable surface at least 6 inches (15 cm) away from walls and furniture. Ensure the mist outlet is not obstructed.
Filling the Water Tank
The Rosekm KC-KM88 features a convenient top-fill design and a mobile water tank for easy refilling.
- Ensure the humidifier is unplugged from the power outlet.
- Top-Fill Method: Directly pour clean, cool tap water into the top opening of the humidifier until it reaches the MAX water level indicator.
- Mobile Water Tank Method: The entire top section can be removed to be filled at a sink, or the unit can be wheeled to a water source.
- Do not overfill.

Image: A split image illustrating two methods for refilling the humidifier: direct top-fill by pouring water into the unit, and using the mobile water tank feature where the user can wheel the unit to a water source.
Operating Instructions
Control Panel Overview
The humidifier features an intuitive digital display and touch controls.

Image: A close-up of the Rosekm KC-KM88 Humidifier's control panel, showing the digital display with humidity percentage and temperature, along with touch buttons for power, mist level, intermittent spray, constant humidity, sleep mode, and timer. Text indicates auto output control via humidity sensor and customization from 40%-90% RH, intermittent mist modes, and up to 12-hour timer.
Remote Control
All functions can be conveniently controlled using the included remote control.

Image: A person's hand holding the remote control, pointing it towards the Rosekm KC-KM88 Humidifier in a living room setting, demonstrating the ability to adjust settings without getting up.
Power On/Off
- Press the Power button on the control panel or remote to turn the unit on or off.
Mist Level Adjustment
- Press the Mist button to cycle through different mist output levels (Low, Medium, High).
Humidity Setting (Constant Humidity Mode)
- Press the Constant Humidity button to set your desired humidity level from 40% to 90% RH in 5% increments. The humidifier will automatically adjust mist output to maintain the set humidity.
Timer Function
- Press the Timer button to set the operating time from 1 to 12 hours. The humidifier will automatically shut off when the set time expires.
Sleep Mode
Activate Sleep Mode for quiet operation and dimmed display, ideal for nighttime use.
- Press the Sleep Mode button. The display lights will dim, and the humidifier will operate at a low noise level.

Image: The Rosekm KC-KM88 Humidifier operating quietly in a dimly lit bedroom next to a bed where a parent and child are sleeping, illustrating its quiet sleep mode feature.
Maintenance
Regular cleaning is essential for optimal performance and hygiene.
Daily Maintenance
- Empty and rinse the water tank daily.
- Wipe the base and mist outlet with a clean, damp cloth.
Weekly Cleaning
- Unplug the humidifier.
- Remove the water tank and empty any remaining water.
- Clean the water tank and base with a soft brush and mild detergent. Rinse thoroughly.
- To remove mineral buildup (white dust), fill the water tank with a mixture of equal parts white vinegar and water. Let it soak for 30 minutes, then rinse thoroughly.
- Wipe the transducer (mist maker) with a soft cloth or cotton swab. Do not scratch it.
- Ensure all parts are completely dry before reassembling.
Storage
- Before storing, clean and dry the humidifier thoroughly.
- Store in a cool, dry place.
Troubleshooting
Refer to the table below for common issues and their solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| No mist or low mist output | No water in tank; Water tank not properly seated; Mineral buildup on transducer; Air inlet/outlet blocked. | Refill water tank; Re-seat tank correctly; Clean transducer; Ensure clear airflow. |
| White dust around humidifier | Hard water used. | Use distilled or demineralized water. Clean unit regularly. |
| Unusual odor | Stagnant water; Dirty water tank. | Empty and clean water tank thoroughly. Use fresh water daily. |
| Humidifier leaks water | Water tank not properly sealed; Unit placed on uneven surface. | Check tank for proper seating and seal; Place unit on a flat, stable surface. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | KC-KM88 |
| Brand | Rosekm |
| Product Dimensions | 11.42"D x 11.42"W x 38.98"H |
| Water Tank Capacity | 18 Liters (4.76 Gallons) |
| Max Mist Output | 1200 mL/h |
| Coverage Area | Up to 2200 sq ft |
| Runtime (Low Mist) | Up to 22.5 hours |
| Voltage | 110 Volts |
| Wattage | 82 watts |
| Special Features | Auto Shut Off, Built-in Humidity Sensor, Remote Control, Wheels, Top-Fill |
Warranty and Support
Rosekm products are manufactured to the highest quality standards. This product is covered by a limited warranty from the date of purchase. Please retain your proof of purchase for warranty claims.
The warranty covers defects in materials and workmanship under normal use. It does not cover damage resulting from misuse, accident, alteration, neglect, or unauthorized repair.
For warranty service or technical support, please contact Rosekm customer service through the retailer where the product was purchased or visit the official Rosekm website for contact information.





