About this item 4-in-1 Portable Design: Portable air conditioner combines a mini air conditioner, a fan, a humidifier, and an LED night light into one, adopting a dual water and air cooling system to effectively and quickly cool the surrounding temperature. It is suitable for bedrooms, living rooms, offices, and other places, bringing you an instant cool experience. 1000ml high-capacity water tank : The air cooler is equipped with a 1000ml large capacity removable water tank that allows for water and ice refilling, provides 8-12 hours of long-lasting humidification and cooling, reducing the hassle of frequent water refilling. The water tank is easy to disassemble and clean. It is suitable for long-term use and helps keep humidity of the air and avoid the discomfort of dryness. Ultra-quiet Operation: Thanks to advanced silent technology, the noise level is as low as 45 decibels during operation, ensuring a peaceful environment at night or at work without interruption. The quiet