... RF LED dimmer,supply voltage:DC5V, 12V ,18V, 24V < optional > ( supply voltage should be marked on order ) RF dimmer ... is a controller that can adjust brightness infinitely,its control mode is wireless control, ... Technical parametersworking temperature: -20-60 °Csupply voltage: DC5V, 12V ,18V, 24V < optional > ( supply voltage should ... : L110 Χ W56 Χ H34 mm RF LED DIMMER,DC5V, 12V ,18V, 24V