Stay cool and comfortable with this portable evaporative air cooler designed for powerful airflow and easy daily use. Featuring a large 7-gallon water tank, 4 reusable ice crystal boxes, and adjustable 3-speed wind control, this swamp cooler delivers refreshing airflow for bedrooms, living rooms, offices, garages, and indoor spaces. The top-fill design makes refilling simple, while the smooth-rolling caster wheels allow effortless mobility from room to room. With low-noise operation and wide-angle 70° oscillation, this air cooler provides efficient cooling circulation without the high energy consumption of traditional AC units. Bullet Points Powerful Evaporative Cooling Performance - Equipped with a 120W motor and maximum wind speed up to 23.3 ft/s (7.1 m/s), this portable swamp cooler delivers refreshing airflow for hot indoor environments while helping improve air circulation and cooling comfort. Large 7 Gallon Water Tank with Top Fill Design - The 20L bottom reservoir provides up to extended runtime, while the convenient top-fill lid allows easy water refilling without bending down. Includes visible water storage area for hassle-free monitoring. 4 Ice Crystal Boxes for Enhanced Cooling - Includes 4 reusable ice packs for stronger cooling performance compared with many competitors that only provide 2 ice packs. Enjoy colder airflow during summer days and nighttime use. 3 Adjustable Fan Speeds & 70° Oscillation - Customize comfort with low, medium, and high speed settings. The 70-degree left-right oscillation helps distribute airflow evenly across bedrooms, offices, living rooms, and other indoor spaces. Portable Design with Smooth-Rolling Wheels - Overall dimensions: 30.3"H x 17.7"W x 13.2"D. Built with caster wheels for easy portability between rooms. The low-noise operation around 45dB makes it ideal for sleeping, reading, or working.