... board, pearly foam 2, Voltage:110V or 220V 3, Customized designs are welcome LED Demo CaseITEM:290002Details: 1, Included: 1 main ... , 2 dimmer switches(1 for 220V, 1 for 12V), 3 GU10 base, 4 MR16 base, 2 G24 base, 2 ... E27 base, 2 DC socket, 2 spaces for LED AR1113, Function: display and Compare various lamps, Test the ... available7, Customized case are welcome! Designing drawing: Trolley LED Demo Case