Transform your phone into a smart laser pointer and transfer level with the innovative RYOBI Phone Works mobile app and Laser Pointer device. The Phone Works device attaches to your smartphone's headphone jack and projects a dot based on your phone's position. The free app allows you to set a timer, and offers an SOS projection feature. Turn your phone into a tool that does more with the RYOBI Phone Works Laser Pointer 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.