Trust Aroo, RF, USB, 315" (8 m), Black Trust Aroo. Wireless receiver interface: USB, Wireless technology: RF, Wireless range: 315" (8 m). Product color: Black, Presenter functions: Laser pointer, Remote control, Laser pointer color: Red. Battery type: AAA. Windows operating systems supported: Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium.... Width: 0.827" (21 mm), Depth: 0.709" (18 mm), Height: 5.63" (143 mm)