3LCD Standard-throw Laser Projector with Built-in Wireless Projection System RGB liquid crystal shutter projection system with 3 x TFT Active Matrix Resolution: Full HD Aspect Ratio: 16:9 Light Source: Laser Diode Light Source Life: Normal Mode: Up to 20,000 hours; Extended Mode: Up to 30,000 hours Projection Lens Type: 1.62x Optical Zoom (Manual), Focus (Manual) Keystone Correction Manual Vertical: ± 30 degrees; Horizontal: ± 30 degrees Dynamic Contrast Ratio Over 2,500,000:1 Interfaces: 1 x D-sub 15pin VGA input, 1 x D-sub 15pin VGA input/monitor out, 1x RCA Composite, 2x HDMI, 2 x Audio in (3.5 mm stereo mini), 1 x Audio in (Red/White RCA), 1 x Audio Out (3.5 mm stereo mini), 1x D-sub 9-pin RS-232C, 1x USB Type-A, 1x USB Type-B (for copying setting), 1x Wired LAN RJ-45. Built in wireless: 802.11b/g/n (2.4GHz) (DSSS/CCK,OFDM) 802.11a/n/ac (5GHz) (OFDM)