Features:6 channel car multifunctional lead (HT306) do not need to be equipped with many special wire to be used for engine diagnosis. The wire is easy to access the existing automotive wiring harness, convenient to read the signal of various sensors. The output signal from the other end of the lead 4 mm banana connector by HT30A test line access oscilloscope input port. They allow an oscilloscope to to connect to variety of components in the engine compartment, without having to strip or pierce any insulation and with no risk of damage to connectors. Specifications: Colors(Optional): blue, red, blackConnector size: Blue: 1.5 mmRed: 2.3 mmBlack: 2.8 mmWeight:100g Package Included:1 x 6 Channel Universal Breakout LeadsNote: Need to switch 4 mm banana connector into BNC connector by HT30A test line and then inserted into the oscilloscope..