Kensington K72353US Wireless Presenter Pro with Green Laser Pointer Type: 2.4 GHz Wireless Power Supply: 2 x AAA Batteries Distance: 150' Receiver Interface: USB Control: Provides forward and back control of PowerPoint and Keynote with no drivers needed Laser Pointer Supported: Green Laser Pointer Color: Black Operating System Supported: Mac OS X 10.11 Windows 8 Windows 7 Vista XP
