FXLuminaire® LM2LEDCU Designer Premium Series 9" x 3.5" x 3.5" Copper 2LED LM Wall Light. When a lighting project calls for a higher level of illumination, call on the LM. Utilizing the same smart design as the CP, the LM offers 20 watts to the 10 watts of the CP. Use the LM alone or install in conjunction with CP to maintain consistent lighting design style. To achieve the best effect and utility, install the LM fixture in the wall adjacent to a stairway.