... programs on software, and then send the programs to TF card on the computer, the remote controller can read the data ... after you put TF card into the remote controller, you can send the datas to the control boards inside the cross ... for R, G, BMemory capability4M ByteWorking voltageDC 5V±0.2V ( control card) and 3 AA batteries ( remote controller)Brightness>6000 nits , full ...