Usage Tips:Good quanlity and reliable, for professional electrical engineer. 8-way ECU breakout leads can connect to Multimeter, Ocscilloscope,CTB007 to check the ECU PIN data. Perfect for ECU diagnosis. 8 way input, 7 kinds of size for the pin, one can DIY for the different pin size you want. 2 kinds of output jumper wires: 2.0mm and 4.0mm, suit for many kinds of multimeter and ocsciloscope. CTBC001 8-way Breakout Leads Jumper wire ECU cable tool for multimeter and oscilloscope test Note: Installation guide not included, we strongly recommend you seek professional installation. Please check as much as possible to make sure the item is what you need. Tips:The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use. Colour:As Shown Material:Plastic Package Contents: 1 * CTBC001 8-way Breakout Leads set(5 x wire harness) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.