SMK-Link Wireless Stopwatch Presenter with Red Laser Pointer (VP4560) Provides up to 70-foot/23-meter of reliable presentation control Application Switch button provides easy switch from one presentation to another, file to file, and/or application to application, without the need to close and open new windows in the middle of a presentation An integrated stopwatch enables the presenter to control timing with ease Class II laser product, 1mW power output