We have updated and optimized the Luo-light master module. It is now symmetrical so that both ends can be used either for AC or DC connection. When the AC power wire comes from the top then LUO units can be attached on both sides of the master module. Wire channels are milled directly into the bamboo body. This module hosts the 100W power supply and the CASAMBI lighting controller. Like the other LUO modules it can be either suspended or flush mounted to the ceiling.