LARGE 13.2 GALLON WATER TANK - The 50-liter water tank holds up to 13.2 gallons, allowing you to run the cooler for hours without frequent refills, ideal for continuous cooling in living rooms, bedrooms, or workshops. HIGH 4000 CFM AIRFLOW - With a powerful 4000 CFM fan, this evaporative cooler delivers strong, consistent airflow across areas from 323 to 538 square feet, quickly lowering the temperature and improving comfort in medium to large rooms. THREE SPEEDS AND TWO OPERATING MODES - Choose from 3 fan speeds to fine-tune the airflow intensity, and switch between 2 operating modes (such as normal cooling and natural breeze) to match your comfort needs throughout the day. CONVENIENT SWING, TIMER, AND REMOTE CONTROL - The 50-degree oscillation ensures even air distribution, while the built-in 12-hour timer allows you to set automatic shut-off; the included remote control lets you adjust settings from across the room without getting up. ENERGY-EFFICIENT 120W MOTOR - Consuming only 120 watts of power, this air cooler provides effective cooling at a fraction of the energy cost of traditional air conditioners, making it an economical choice for long-term use. EASY MOBILITY WITH CASTERS - Equipped with smooth-rolling casters, the unit can be effortlessly moved from room to room, allowing you to enjoy cool air wherever you need it most, whether in the garage, patio, or indoor living space.