Measure distance with more confidence and functionality than ever before. RYOBI Phone Works has the innovation to transform your phone into a smart laser measurer with the Phone Works mobile app and Laser Distance Measurer device. Everything a traditional laser measurer does, this cutting-edge Phone Works system uses your smartphone to do it better. The laser measurer plugs into your headphone jack to take length, area, volume, indirect, and continuous measurements with 1/16" accuracy at 90'. The device also features a range finder to alert you when a preset distance is reached. The free app turns your phone screen into a versatile management system, displaying your project with digital measurement read-outs. You can also capture high-definition images and videos, share measurements through email and social networks, and create files of each project for future reference. Get more functions and get more done with the RYOBI Phone Works Laser Distance Measurement device and mobile app. RYOBI Phone Works - Transform your phone into your smartest tool. -- Apple is not endorsing or sponsoring this product. Apple, the Apple logo, iPhone are trademarks of Apple, Inc., registered in the U.S. and other countries. App Store is a service mark of Apple Inc. The Android App on Google Play logo and Google Play are trademarks of Google, Inc.