This thing is great! I'm an artist and I've been interested in getting a laser level to hang paintings for a long time. Yesterday I realized I need an angel determining tool for a shed roof project. Upon searching Walmart online, I discovered both are available in one small, USB charging, instrument. It is really easy to use it's basic functions and there are clear instructions for the more sophisticated applications. The display is bright and easy to read. I am really impressed by the quality of materials, workmanship, and "look" of this tool.