✅ High sensitivity: Remote control signal receiving real-time response to fast forward without delay | ✅ Allows IR signals to pass through solid doors or walls, line-of-sight to the components is not required Confirmation LED built-in to the IR receiver acknowledges receipt of IR commands | ✅ Easy Setup: This IR Repeater System is easy to use and sets up in minutes | ✅ 5V USB Power Supply(Adapter not included) | ✅ Control Audio Video Components in Entertainment Cabinets or Equipment Closets using Existing IR Remote Controls