AT&T AT3211-2 DECT 6 Cordless Telephone - 4 Handsets Lightweight and travel friendly - thin as a laptop, weighs just 3.7 lbs. Brilliant widescreen performance - 2600 lumens color / white light output1; native WXGA (1280 x 800) resolution (16 - 10) Flexible connectivity - USB Plug 'n Play - Windows and Mac compatible; HDMI input Wireless capable - with the optional Quick Connect wireless USB key and optional wireless 802.11 b/g/n LAN card PC-free presentations - convenient USB connectivity allows you to display directly from a USB memory device