Achieve precise transmission with the 4pcs/set Probes Pen, ensuring reliable chip programming. Crafted from quality ABS and metal, these Pen offer excellent insulation and durability for reliable use. Perfect for technicians, enthusiasts, and modification shop in need of electronic system debugging. Great for repair shop, centers, and garages to maintain vehicle electronic system efficiently. Exploring the world of vehicle electronics confidently with this set, catering to a variety of needs. Note: If you are not professional for technology, please don't buy this product 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: 4 * Cable for Probes 4 * Probes Pen 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.