... distance:more than 5m 4,Timer Function 5,Voltage:220V/240V Features:Transmitter and receiver use infrared technologyRectangular receiver that ... can be installed into the canopy easily.White transmitter has an LCD display that shows the current status7 functional control keys: ... “Timer” key with a delay of 1, 2, 4, and 8 hours (or other custom settings), and the LCD display will show countdown ...