With a 3-level adjustable cooling speed, the NITECORE AC10 Portable Outdoor Air Conditioner is equipped with a patented compressor that is able to lower the outlet air temperature to 18°C (64°F) in 10 minutes, providing excellent performance with the low power consumption. The noise is less than or equal to 50 dB while the ultra compact and portable size with ergonomic grip design and user-friendly operation panel breaks loose from the space.