Large-capacity water tank: The evaporative air cooler features a 5-liter removable pull-out water tank with a clearly visible water level indicator for easy monitoring and refilling. Timed shutdown, quiet operation: Easily set a 1- to 12-hour automatic shutdown timer, allowing you to fall asleep peacefully without getting out of bed. Quiet operation and easy operation ensure a peaceful sleep. 80° oscillation, efficient water curtain: This portable air cooler features an 80° wide-angle oscillation function for even airflow, improving indoor air circulation and ensuring every corner of the room feels cool. Multifunctional: This portable air conditioner boasts a stylish design, combining a fan, humidifier, aromatherapy diffuser, and air cooler in one unit. It meets your needs and creates an ideal indoor environment. Easy to clean: The pull-out water tank at the bottom of the air cooler allows for easy cleaning at any time. Regular cleaning not only maintains hygiene but also ensures optimal cooling efficiency.