LARGE 5.3 GALLON WATER TANK - The 20-liter water tank holds 5.3 gallons, allowing you to run the cooler for extended periods without frequent refills, ideal for continuous cooling in bedrooms, living rooms, or home offices. HIGH 1765.8 CFM AIRFLOW - With an airflow volume of 1765.8 CFM, this evaporative cooler delivers powerful, consistent air circulation across up to 269.1 square feet, effectively lowering the temperature and improving comfort in medium-sized rooms. THREE SPEEDS AND THREE OPERATING MODES - Choose from 3 fan speeds to fine-tune the breeze intensity, and switch between 3 modes (such as Normal, Nature, and Sleep) to match your activity or time of day for personalized cooling. CONVENIENT SWING, TIMER, AND REMOTE CONTROL - The oscillation function distributes cool air evenly throughout the room, while the built-in timer allows you to set automatic shut-off; the included remote control lets you adjust settings from across the room without getting up. EASY MOBILITY WITH SMOOTH CASTERS - Equipped with four casters, the unit can be effortlessly rolled from room to room, allowing you to enjoy cool air wherever you need it most, whether in the garage, patio, or indoor living space. ENERGY-EFFICIENT 100W MOTOR - Consuming only 100 watts of power, this air cooler provides effective cooling at a fraction of the energy cost of traditional air conditioners, making it an economical and eco-friendly choice for long-term use.