Programmer It can be used to check lock loop on auto Lock Inspection loop is indispensable for locksmith or key programmer.<br> 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 car, means the chip have problem.<br> Note:<br> Installation guide not included, we strongly recommend you professional installation.<br> Please check as much as possible to make sure the item is what you need.<br> 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.<br> Colour:Green<br> Material:Plastic<br> Package Contents:<br> 2 x Auto Lock Inspection loop<br> Only the above package content, other products are not included.<br> 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.