Programmer It can be used to check lock loop on auto Lock Inspection loop is indispensable for locksmith or key programmer. Checking auto lock loop, if light on means the lock no problem; if no light on means the lock loop have problem. if have light on but can't start car, means the chip have problem.<br><br>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 picture is a high-resolution rendering. 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:Green Material:Plastic<br><br>Package Contents: 2 x Auto Lock Inspection loop<br><br>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.