Evapolar's Crystal White evaSMART is an intelligent personal evaporative air cooler with smart home and mobile app control, removable water tank, and full-spectrum LED light. Engineered as a 3-in-1 cooling device, it cools, purifies, and humidifies the air. It has a sleek minimalist design, sophisticated functionality, and powerful cooling. evaSMART is fully compatible with Amazon Alexa and Google Home and can be remotely controlled via mobile app, making it ideal for taking care of your pets and kids while you're away. Created to cool down the personal area only in front of you, the evaSMART air cooler won't waste tons of energy trying to cool the whole room. Powered by unique evaBREEZE technology, the air cooler can decrease outcoming air temperature up to 44.6°F to 50°F, depending on the humidity level. This portable and USB-powered smart air cooler is ideal for sleeping, resting, and working in the office and from home. Created as a whisper-quiet personal cooling solution, it is a must-have device for hot sleepers and creates your personal micro-climate wherever you are. Just add water, connect the device to power (an electricity source—a socket, a power bank, a laptop, etc.), and enjoy the fresh air. You can control the airflow and the LED lighting via the device's touchscreen, smart assistants, or the mobile app. Breathe pure and fresh air, thanks to the long-lasting biodegradable basalt fibers inside the cartridge. They filter out the dust in the air and retain water for more efficient cooling and humidifying. Crystal White evaLIGHTplus is a personal evaporative air cooler with smart control wheel, removable water tank, sleep timer, and full-spectrum LED light. Engineered as a 3-in-1 cooling device, it cools, purifies, and humidifies the air. It has a sleek minimalist design, sophisticated functionality, and a powerful cooling effect. The evaLIGHTplus air cooler was created to cool down exclusively the personal area only in front of you. It does not waste tons of energy to cool down the whole room. Powered by unique evaBREEZE technology, the evaLIGHTplus air cooler can decrease outcoming air temperature up to 44.6°F to 50°F degrees (7°C to 10°C), depending on the humidity level. Portable and USB-powered, it is ideal for sleeping, resting, and working in the office and from home. Whisper-quiet, it suits light sleepers who are hot at night and creates your personal micro-climate wherever you are. Enjoy the coolness effect as long as it is connected to an electricity source—a socket, a powerbank, a laptop, etc. And forget about installation costs, unlike with an AC unit! Just add water, connect the device to power, and enjoy the fresh air. Control the airflow with a smart wheel and enjoy the fresh air for up to 6 to 8 hours. You can adjust the LED light to suit your mood. Breathe pure and fresh air, thanks to the long-lasting, biodegradable basalt fibers inside the cartridge. They filter out the dust in the air and retain water for more efficient cooling and humidifying. one Warranty available, 1-year Imported Product Specifications 10.16 in. x 8.27 in. x 8.27 in. lbs Material & Care Plastic Wipe clean