Digital signal type: DMX512, and various digital signals transmitted by RS-485 interface Interface type: RS-485 One in and eight out distribution, DMX512 signal amplification, isolation, electrostatic protection Signal connection socket: input XLR-3-M, output XLR-3-F Power supply: AC220V/50Hz plus or minus 20%, 20W Size: 450×22×40mm Weight: 3kg