I've seen a couple of items like this using bluetooth rather than a wired connection, which to me would seem like the smart choice. Especially since mobile phones are not made with having all kinds of voltages attached to probes galvanically connected to them.<p>Like these guys: (2011)<p><a href="http://www.wired.com/2011/05/idvm-turns-your-iphone-into-a-multimeter/" rel="nofollow">http://www.wired.com/2011/05/idvm-turns-your-iphone-into-a-m...</a><p>Given how sue happy Fluke is I'd remove that Fluke image and replace it with one that does not come with a target painted on it for overzealous legal eagles.