--- product_id: 368770859 title: "Humidifiers for Bedroom, 4L Ultrasonic Cool Mist Humidifier with Humidistat, LED Display, Quiet Operation, Sleep Mode, 24H Timer, Waterless Auto Shut-Off, Night Light, for Home and Office" brand: "ctomoa" price: "$295.75" currency: USD in_stock: true category: "Ctomoa" url: https://www.desertcart.us/products/368770859-humidifiers-for-bedroom-4l-ultrasonic-cool-mist-humidifier-with-humidistat store_origin: US region: United States of America --- # Whisper-quiet sleep mode with night light 4L tank for 30h continuous mist Built-in humidistat for smart humidity control Humidifiers for Bedroom, 4L Ultrasonic Cool Mist Humidifier with Humidistat, LED Display, Quiet Operation, Sleep Mode, 24H Timer, Waterless Auto Shut-Off, Night Light, for Home and Office **Brand:** ctomoa **Price:** $295.75 **Availability:** ✅ In Stock ## Summary > 💨 Elevate your air game—breathe smarter, live better! ## Quick Answers - **What is this?** Humidifiers for Bedroom, 4L Ultrasonic Cool Mist Humidifier with Humidistat, LED Display, Quiet Operation, Sleep Mode, 24H Timer, Waterless Auto Shut-Off, Night Light, for Home and Office by ctomoa - **How much does it cost?** $295.75 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/368770859-humidifiers-for-bedroom-4l-ultrasonic-cool-mist-humidifier-with-humidistat) ## Best For - ctomoa enthusiasts ## Why This Product - Trusted ctomoa brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Silent Serenity:** Ultrasonic technology ensures whisper-quiet operation—perfect for focused work, restful sleep, or nursery peace. - • **Smart Humidity Control:** Integrated humidistat automatically maintains your ideal indoor moisture level for ultimate comfort and health. - • **All-Day Hydration Power:** Massive 4L water tank delivers up to 30 hours of soothing cool mist—stay refreshed without constant refills. - • **Intuitive LED Display & Controls:** Real-time humidity readout and customizable settings at your fingertips for effortless environment tuning. - • **Sleep Mode with Soothing Night Light:** Soft ambient glow and minimal display distractions create the perfect atmosphere for deep, undisturbed rest. ## Overview The CTOMOA 4L Ultrasonic Cool Mist Humidifier combines a large-capacity tank with smart humidistat technology to deliver up to 30 hours of quiet, customizable mist. Featuring an LED display, sleep mode with night light, and automatic shut-off, it’s designed to optimize indoor air quality effortlessly for bedrooms, nurseries, and offices. ## Description desertcart.com: Humidifiers for Bedroom, 4L Ultrasonic Cool Mist Humidifier with Humidistat, LED Display, Quiet Operation, Sleep Mode, 24H Timer, Waterless Auto Shut-Off, Night Light, for Home and Office : Home & Kitchen ## Features - Efficient Dry Air Relief: Cool mist humidifier with 1.06gal / 4L water tank can provide up to 30 hours of continuous mist to moisturize the dry air in a 10-30 m² / 107-322 ft² room with one filling on low mist setting - Smart Humidity Monitoring: Built-in humidistat automatically stops diffusing the mist when the preset humidity level is reached and resume humidifying when the humidity level drops, to constantly maintain an optimal indoor humidity for long-lasting comfort - Quiet Operation: Ultrasonic humidifier infuses your room with clean and fresh mist without causing any disturbance to your study, working or sleeping, that’s ideal for a bedroom, nursery or office - Easily Customizable: Clear LED display helps you know the real-time room humidity and settings at a glance; also you can customize all the settings (mist output, preset temperature, timer, sleep and night light mode) with control button for convenience and accessibility - Comfortable Sleep: Soft night light offers soothing and relaxing lighting for deeper relaxation at night; and only sleep icon is on in sleep mode for undisturbed sleep ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09JBVQQQS | | Best Sellers Rank | #6,200,222 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #4,014 in Humidifiers | | Brand Name | CTOMOA | | Capacity | 4 Liters | | Color | white | | Control Method | Touch | | Customer Reviews | 4.3 4.3 out of 5 stars (53) | | Filter Type | Ultraviolet | | Included Components | Ultrasonic Cool Mist Humidifier, Cleaning Brush, Dustproof Sponge, User Manual | | Item Dimensions D x W x H | 5.31"D x 8.07"W x 11.81"H | | Item Weight | 1.6 Kilograms | | Material | Wood | | Model Name | cool mist humidifier | | Model Number | CO-AH001 | | Operation Mode | Automatic | | Other Special Features of the Product | Auto Shut Off, Humidistat, Night Light | | Part Number | CO-AH001 | | Power Source | Corded Electric | | Room Type | Bedroom, Nursery, Office | | Runtime | 30 hours | | UPC | 719710502222 | | Voltage | 120 Volts (AC) | | Wattage | 30 watts | ## Product Details - **Brand:** CTOMOA - **Capacity:** 4 Liters - **Color:** white - **Operation Mode:** Automatic - **Special Feature:** Auto Shut Off, Humidistat, Night Light ## Images ![Humidifiers for Bedroom, 4L Ultrasonic Cool Mist Humidifier with Humidistat, LED Display, Quiet Operation, Sleep Mode, 24H Timer, Waterless Auto Shut-Off, Night Light, for Home and Office - Image 1](https://m.media-amazon.com/images/I/61-QC8pnlZL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/368770859-humidifiers-for-bedroom-4l-ultrasonic-cool-mist-humidifier-with-humidistat](https://www.desertcart.us/products/368770859-humidifiers-for-bedroom-4l-ultrasonic-cool-mist-humidifier-with-humidistat) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-09*