Customized Cooling Options: This portable fan offers four cooling modes and three wind speeds, including normal, natural, cooling, and sleep modes, along with low, medium, and high speeds. Its sleep mode is designed for energy efficiency and minimal noise, ensuring a comfortable night's sleep. Advanced Cooling Technology: Utilizing wet curtain technology, this outdoor air conditioner transforms warm air into a refreshing breeze. It includes 4 ice packs and a 4.5L water tank for up to 10 hours of continuous cooling, ideal for enduring long summer days and nights. Economical and Space-Saving: This cooling fan requires no installation, saving on electricity with just 85W consumption. Its compact design (32x32cm) and lightweight (4.7kg) make it easy to move and store, featuring a built-in handle for added convenience. Quiet Operation for Peaceful Sleep: Designed for silent operation, this swamp cooler features an intelligent sleep mode and a 30-second auto screen-off function. A 12-hour timer allows for a cool, comfortable sleep environment, with the added convenience of remote control operation. Aromatherapy Feature: Enhance your cooling experience with the built-in aromatherapy box. Simply add your favorite essential oils to enjoy a gentle fragrance that spreads throughout the room, combining cool air with a refreshing scent for a more enjoyable atmosphere.