Kestrel 4000 Series Computer Interface， DB9 Serial<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Connect your Kestrel meter to your computer to transfer data and perform updates</li><li>Easily transfer， analyze， and store your measurement data long-term</li><li>Works with any 4000-series Kestrel meter</li><li>Included software is compatible with Mac and PC</li><li>Serial connection</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41u0HEPisVL.jpg" noproxy>