924.3v6

While looking around on the internet I came upon this. Its looks to show 1/4 mile et's/mph and hp/tq, while also datalogging it. Has anyone tried it yet? Looks like something to play around with. It also maybe pretty accurate since its going by the pcm if your speedo is correct.
http://www.ezwalker.com.tw/Pro_Digimoto.htm