The Activejet Regular MKR-550B Air Cooler is a perfect personal air cooler for the office. Its small size (16.5 x 17 x 16.5 cm) fits on any desk or shelf, while still performing its intended function. The device operates on the principle of evaporation, i.e., water vaporization. The water tank has a capacity of 550 ml, allowing for 8 hours of operation. The air cooler's power is 5W. The Activejet Air Cooler boasts an attractive, modern design, and trendy white with gray accents. Intuitive and very simple operation is achieved using just three buttons. USB Power: The air cooler is powered by a cable with a universal USB connector. Airflow: 60 m3/h; LED Backlight: The wall containing the water tank is transparent and illuminated with LEDs, and the color can be selected from 6 different shades. Cyclic color change is also available. This additionally gives the device a modern look and becomes a decorative element in any room.; 3 Operation Modes: The device has three operating intensity modes, allowing you to adjust its power to your current needs. LEDs indicate the device's current operating status. The air conditioner is a multifunctional device, performing three functions simultaneously: Cools the air. The evaporative air conditioner uses the phenomenon of water evaporation. It consumes up to 80% less energy compared to a traditional air conditioner, making it eco-friendly and modern. Humidifies the air. By using water for the cooling process, the device also humidifies the air, which has a beneficial effect on the health of the people in the room (compared to a standard air conditioner). Purifies the air. The air conditioner, thanks to its internal filter, removes pollutants from the outside air, thus cooling. Design. Product color: White/Gray; Built-in display: No; Illuminated on/off switch: Yes; Certificates: CE; Efficiency. Water tank capacity: 0.55 l; Number of speeds: 3; Air flow: 60 m3/h; Cooling: Yes; Humidifier function: Yes; Weight and dimensions. Product width: 165 mm; Product depth: 170 mm; Product height: 165 mm; Product weight: 900 g; .