For larger meeting rooms with bright lights accommodating up to 40 participants. Supports USB and wireless presentations, from up to four different PCs or smart devices. 4,000 lumens brightness. 1280 x 800 WXGA pixels native resolution. 16,000:1 contrast ratio. Widescreen 16:9 aspect ratio. HDMI-1, HDMI-2/MHL ports. 2 USB Type-A, 1 USB Type mini B ports. Manual zoom and focus. 2D keystone correction. Remote control. 296 x 221 x 120H mm.