Optoma HD25-LV 1080p 3D DLP Home Theater Projector (Manufacturer Refurbished) Screen Size Range: 67-inches from 8 feet; 101-inches from 12 feet 3500 ANSI Lumens Contrast Ratio: 20,000:1; Keystone Correction: Yes, Lens Shift: No 90-Day Limited Warranty on Projector and 30-Day Warranty on Lamp Two HDMI v1.4a, two VGA-in, VGA-out, 3D VESA Port, composite video, two audio-in, audio-out, RS-232C, USB-B