Innovera IVR61101 Wireless Presenter with Laser Pointer Type: 2.4 GHz Wireless Power Supply: 3V Mercury-Free Lithium Button Cell Distance: 32 ft Laser Pointer Supported: Yes Color: Matte Black Dimension: 1/2 x 3 1/2 x 1 1/16 Operating System Supported: Windows 2000, XP, Vista , 7
