SwitchBot Circulator improves heating and cooling efficiency by automatically circulating air in the room and also contributes to energy saving.The built-in battery allows you to use it without plugging it into an outlet.The wind speed can be adjusted steplessly from 1 to 100 levels.Besides, it boasts a super quiet 24dB and provides a fast and comfortable environment for rooms of 30 tatami meters with a strong air distance of 14 meters.In addition, the circular body has a variety of functions, including 3D oscillation, memory function, 4 blower modes, and timer functions.In conjunction with SwitchBot Hub 2, you can automatically operate the air conditioner or operate voice from Alexa depending on temperature and humidity.