... speed regulator; 2,Hi,Mid,Low,3 speed levels; 3,Working distance:more than 5m 4,Timer Function 5,Voltage:220V/240V Features ... “Timer” key for timed operationThe fan speed can be set at HI, MID, and LOW using 3 speed control keys, and the LCD display ... using “Timer” key with a delay of 1, 2, 4, and 8 hours (or other custom settings), and the LCD display will show countdown time ...