1,Fan speed regulator; 2,Hi,Mid,Low,3 speed levels; 3, ... control keys: one for turning on/off the fan, three for controlling the fan speed, two for turning on/off the lights ... , and another “Timer” key for timed operationThe fan speed can be set at HI, MID, and LOW using ... LCD display will show corresponding “/ ”indicator.The fan can be timed using “Timer” key with a delay of 1, 2, 4, and ...