Siig CE-WR0112-S1. Wireless technology: RF, Wireless receiver interface: USB, Frequency band: 2.4 GHz. Battery type: AAA. Product color: Black, Presenter functions: Laser pointer, Remote control, Certification: FCC, CE. Width: 1.26" (32 mm), Depth: 1.1" (28 mm), Height: 5.2" (132 mm). Windows operating systems supported: Windows 7 Home Basic,Windows 7 Home Basic x64,Windows 8,Windows 8 x64,Windows Vista Home..., Mac operating systems supported: Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS...