Promethean ActivBoard 164 Mount System + PRM-30a LCD. Projector brightness: 1900 ANSI lumens, Native resolution: WXGA (1280x800), Number of colours: 16.77 M. Interface: USB. USB cable length: 5 m. Power consumption (typical): 317 W, Power consumption (standby): 0.8 W, Input voltage: 100 - 240 V. 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 10.04, Ubuntu 9.10, Minimum processor: Pentium 4 1 GHz