The operational functionality of any device makes it more or less preferred by a user. If a user has to struggle to work with a tool, then it’s simply not ‘the one’ for him/her. To be more detailed, rotary laser level works on the rotation principle. So if you choose a model that rotates slowly, then it will be easier for you to see the beam even in bright light. While technically, cross laser level works by projecting both horizontal and vertical lines at the same time. The functions of cross laser levels are easy to operate, even for beginners.Learn more: