The touchscreens from chestnuter may cost a little more than other china companies --it is worth it. Other cheaper touchscreens fail and they get glitchy after just minimal abuse. You get what you pay for.
The 55 inch video wall units were not that bad for our team to assemble and mount. The controller box was also relatively intuitive. You can find video walls with less material between displays so just ask about that before you order. Those that are flush tend to cost more.
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