5-pack of LED CV Patch Cables for 3.5mm mono mini jack sockets, suitable for Eurorack Modular Synths. | One jack connector with a red LED for positive voltages and a green LED for negative, the other jack connector with green for positive and red for negative. | Cable lengths: 11.8 inch (30cm) or 23.6 inch (60cm). The plastic connectors have a diameter of 7/16 inch (11mm). | Great for illustrating CV/gate flow in a patch, useful for both diagnostics and education. Suitable for oscillator tracking. | Flexible rubber-like TPE-coated cables with 28 Awg/1C pure copper wire and Spiral shield for high signal-to-noise ratio. Please keep in mind that the LEDs consume a small amount of power, which might affect the signal level. | Note: low voltage and/or very short signals might not make the LEDs light visible.