Promethean ActivSlate 60. Interface: USB. Battery type: Lithium-ion, 3.7 V, 850 mAh. Windows operating systems supported: Windows XP Home, Windows Vista Home Basic, Windows 7 Home Premium, Mac operating systems supported: Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Linux operating systems supported: Ubuntu 9.04, Ubuntu 9.10, Ubuntu 10.04. Operating temperature range (T-T): 2 - 45 °C, Storage temperature range (T-T): -10 - 60 °C, Storage relative humidity range: 0 - 90 %. Certification: UL, CE, FCC