Brand: BenQ; Model: MX550; Display Type:  DLP; Resolution: XGA(1024x 768); Brightness: 3600 Lumens; Contrast Ratio: 20,000:1; Image Size: 30″~300″; Video Formats: Video Compatibility NTSC, PAL, SECAM; Lamp Power: 200W; Lamp Life: Normal 5000 hours, Eco 10000 hours, SmartEco 10000 hours‎, Lampsave 15000 hours; Built-in Speaker: 2W; Interface: PC (D-sub) x 1,Monitor out (D-sub 15pin) x 1,S-Video in (Mini DIN 4pin) x 1,Composite Video in (RCA) x 1 HDMI x 2, USB Type Mini B x 1, Audio in (3.5mm Mini Jack) x 1, Audio out (3.5mm Mini Jack) x 1, RS232 (DB-9pin) x 1, IR Receiver x 2, Security Bar x 1; Power: AC 100 to 240 V, 50/60 Hz, Typical Power Consumption 270W, Standby Power Consumption <0.5W; Color: White; Weight: 2.3 kg, Dimension: 296 x 120 x 221, Warranty: 01 Year.