RF LED dimmer,supply voltage:DC5V, 12V ,18V, 24V < optional > ( supply voltage ... controller that can adjust brightness infinitely,its control mode is wireless control, you couldadjust light to the appropriate lighting brightness in ... weight: 100ggross weight: 130gexternal dimension: L110 Χ W56 Χ H34 mm RF LED DIMMER,DC5V, 12V ,18V, 24V