100% brand new and high quality With 1 receiver which picks up the signal from the remote controller, the receiver is with a convenient IR confirmation LED. With 8 emitters which is used to send the signals to the A/V components. With 1 IR distribution block 12V DC Power Supply 34-60kHz operating range. Receive Frequency Range 34 KHZ to 60KHZ Transmit Frequencies 38 KHZ & 56KHZ Receive Range 8 Meter Emitter Range 5-10CM Power 12VDC,30mA MAX. Dimensions (IR Receiver):31(L)17(W)13(H)mm (IR Emitters):13(L)8(W)5.5(H)mm (IR Connecting Block):90(L)55(W)26(H)mm Cord Length (IR Receiver):1.5 Meter (Approx) (IR Emitters): 3 Meter (Approx) Connector Type:3.5mm mini plug This product to make your home more tidy! Note: Due to the difference between different monitors, the picture may not reflect the actual colorof the item. Thank you!