Dreo Smart Humidifier HM420S (DR-HHM010S) – 4L Water Tank – Smart App & Voice Control – Ultrasonic Cool Mist – Top-Fill Design – 28dB Whisper-Quiet
Supersized Mist. Superfast Comfort.
The Dreo Smart Humidifier HM420S (Model DR-HHM010S) is a premium 4-liter cool mist humidifier engineered for quick, even, and quiet humidification. Combining Dreo’s advanced ultrasonic technology with smart app and voice control, it delivers efficient air hydration for rooms up to 300 ft², enhancing comfort and air quality for healthier living.
Key Features:
- 4L Large Capacity Water Tank: Provides up to 30 hours of continuous mist on a single fill, ideal for bedrooms, offices, and medium-sized rooms.
- Ultrasonic Cool Mist Technology: Generates 5μm ultrafine mist particles at 2.4 MHz frequency for faster dryness relief and even moisture distribution.
- Smart App & Voice Control: Adjust humidity levels, schedule runtimes, and switch modes remotely through the Dreo App, Alexa, or Google Assistant.
- Auto Humidity Control: Built-in humidity sensors maintain precise levels automatically, optimizing air quality with ±5% accuracy.
- Top-Fill Design: Easy, spill-free refilling and cleaning, simply pour water directly into the wide top opening.
- 28dB Whisper-Quiet Operation: Operates quietly for uninterrupted sleep or work, even at high mist output.
- Aromatherapy-Ready: Features an integrated aroma pad for essential oils, creating a relaxing and fragrant atmosphere.
- Smart Safety Features: Auto shut-off when water runs low, anti-leakage structure, and isolated power supply for enhanced durability and protection.
What’s Included:
- Dreo Smart Humidifier HM420S (Model DR-HHM010S)
- Aroma Pad
- Cleaning Brush
- User Manual
- Warranty Card
Why Choose Dreo HM420S?
The Dreo HM420S combines powerful ultrasonic performance, smart automation, and effortless maintenance in a sleek vertical design. With whisper-quiet operation, precise humidity regulation, and integrated app control, it ensures a consistently comfortable environment throughout the day and night, smarter, cleaner, and more efficient.
Frequently Asked Questions:
- How large an area can the HM420S cover?
- It is ideal for rooms up to 300 ft², providing fast, consistent humidification.
- Perfect for bedrooms, offices, and small living spaces.
- Does it support smart home control?
- Yes, it can be controlled via the Dreo App, Alexa, or Google Assistant for remote and voice operation.
- App features include timer, humidity target, and mist mode adjustments.
- Is it easy to clean and refill?
- Yes, the top-fill tank design allows easy refilling without removing the water container.
- All removable parts are accessible for thorough cleaning.
- Does it make much noise?
- No, the unit runs at under 28dB, quieter than a whisper, ideal for nighttime use.
- What safety features does it have?
- Automatic shut-off when water level is low or tank removed.
- Anti-leakage internal structure and isolated power system for long-term reliability.
