Special fan for indoor ventilation: this fan is small and powerful, which helps to promote air circulation in the room and provide you with comfortable space. Different speeds and modes: There are three speed settings (H/M/L) and four modes (normal; Nature, sleep and environmental protection mode) to meet your different needs. Dual control mode: clear touch panel design is adopted to help you control the fan easily; The attached remote control allows you to operate all the functions of the fan f