Powerful Cooling Efficient: This portable air conditioners utilize the latest cooling technology: high-performance motor, innovative air duct design, and high-density cooling pad. Quickly reduces ambient temperatures by 41-48 F as water evaporates to absorb heat, achieving rapid cooling. Perfect for bedrooms, offices, or studio apartments battling summer heatwaves Energy Saving & Safe: Compared with traditional air conditioners: No hoses on windows or walls and no installation required. It s only 65w, it can save a lot of electricity bills, no need to pay for installation and high maintenance costs. The evaporative air cooler features bladeless structure, making it perfect for families with children or pets 6L Big Capacity Water Tank & 3 Ice Packs: The1.6-gallon big capacity tank allows this air conditioner portable to run for up to 24 hours. Our portable ac unit is designed with easy top refilling, which is friendly to the elderly and disabled people.