For professional presenters the RemotePoint Jade also affords four user-assignable buttons an Auto RF frequency agile wireless protocol that ensures reliable and secure wireless communications and a 360-degree mouse pointing button for hand-held control of your computer as well as of your presentation. Projection Distance: 150 ft; Operating System Compatibility: Mac® OS X and Later; Windows® 2000 XP Vista™ 7; Class Type: 2; Presenter Type: Remote with Laser Pointer and Mouse.