Find level and customize angles with more confidence and functionality than ever before. The Phone Works mobile app and Laser Level device harness the power of your smartphone to produce level lines and much more. The device uses your headphone jack to project a crosshair laser line, and the free app transforms your phone’s screen into a digital display of your project. The high-definition display shows measurement data and allows you to match and customize angles. When you have the data you need, the app lets you capture, store and send data/images for an easier way to manage your projects. For more information, visit ryobi.com.