BenQ HT1075 1080p 3D DLP Home Theater Projector Screen Size Range: 40-inches from 3.85 feet; 235-inches from 22.5 feet ANSI Brightness: 2,200 Lumens Contrast Ratio: 10,000:1; Keystone Correction: Yes; Lens Shift: Yes Warranty: 1 Year Parts/Labor; 180 day or 500 hours of lamp life; Lamp Life: Up to 3500 hours (normal) and 5000 hours (economic mode) 2 HDMI; 1 MHL (Shared with HDMI -2); wireless HDMI enabled (optional accessory)