... ; 3,Working distance:more than 5m 4,Timer Function 5,Voltage:220V/240V Features:Transmitter and receiver use infrared technologyRectangular receiver ... the lights, and the LCD display will show corresponding “/ ”indicator.The fan can be timed using “Timer” key with a delay of 1 ... , 2, 4, and 8 hours (or other custom settings), and the LCD display will show countdown ...