Good display but needs user support documentation.

As mentioned there was no documentation with the Display. I searched Amazon and found a Tontec that had the same controller board. They had some information that was helpful. I also searched Google and found some documentation. [...] I also found a video that shows how to put it together. [...]. The power supply needed is between 5V-12V 2A max with center pin +. I found a 9V 1200mAh from an old set of speakers that works well for my display. BE SURE THE CENTER PIN IS POSITIVE!!! initially my LCD displays did not come with the small keyboards. I emailed SainSmart and they sent them to me. I use my display with my Raspberry Pi and it works great. Thanks for working with me SainSmart.