Analog o Ext: Extend your RCA or 3.5mm stereo o signal up to 500 meters over Cat5e/6 UTP cable. Use oxygen-free copper CAT6 cable to maintain signal integrity. (Note: CAT6 cable wire sequence must be 568B) o Converter: The receiver can output both RCA and 3.5mm stereo o signals simultaneously. Note that the transmitter can only transmit either RCA or 3.5mm stereo o signals, not both at the same time. Pure Transmission: Long-distance transmission using differential digital signal technology to avoid interference and reduce noise. Plug and Play: Easy to use, no driver installation required. Plug Type: EU Plug, suitable for use in various regions including Indonesia Color: Black Material: Aluminum alloy Package Contents: 1 x Analog o Ext Transmitter, 1 x Analog o Ext Receiver, 1 x Adapter Only the items listed above are included; other products are not included. Note: Lighting reflections and different display settings may cause slight variations in color compared to the actual item. Measurement error allowance is +/- 1-3 cm.