Digital display Message board LED screen control box LCB300 include msd300 led card like nova mctrl300 sending box

Digital display Message board LED screen control box LCB300 include msd300 led card like nova mctrl300 sending box Remark: including 1pcs MSD300 led sending card Key Features A, Led control system external sending box Can insert novastar msd300 sending card B, Led control system external sending box bulit in famous Taiwan brand Meanwell Power input 100~240V AC 0.35A Output:+5V 3.0A C, Led control system external sending box use three-core power line with shell earth