Features: MINI SIZE AND LIGHT WEIGHT: Its mini size and light weight ensure that you can carry easily. EASY INSTALLATION: Simple design makes you install quickly. SIMPLE OPERATION: You just need to connect this DMX512 amplifier between two DMX512 receivers. THREE USAGES: It can be used as DMX512 signal repeater between DMX512 signal lines or functioned as the optical isolation for protecting console by linking the console output. It also can be used as 120 ohm terminator when the In port connected to the end of the DMX512 signal fixture. WIDE APPLICATION: It is suitable any one of DMX512 equipments.