The Ryobi ONE+ 18V Cordless Hybrid WHISPER SERIES 7-1/2 in. Fan is a versatile and energy-efficient option for indoor use. With a timerless operation and three speeds, this round fan can be controlled with a switch and features quiet operation for a comfortable environment. The adjustable height and rechargeable battery make it convenient for use in any room, while its axial blade orientation and ABS plastic construction ensure efficient and durable performance. The unique combination of battery and corded power sources, along with its Energy Star rating, make this fan a reliable choice for efficient cooling.