Brightness: 5,000 Lumens Contrast:            4,000:1 Auto Iris:           Yes Resolution:          1024x768 Native Aspect Ratio:       4:3 (XGA) Projector Size:                  11 cm x 40 cm x 28 cm (HxWxD) Weight:           4.1 kg Video Modes: 720p, 1080i, 576i, 576p, 480p, 480i Data Modes:        MAX 1600x1200 Lamp Life:           3,500 hours  / 6,000 hours (eco) Lamp Type:        ACLamp Wattage:            270 Watts Lamp Quantity:     1Lamp Code: NP23LP Display Type:2 cm 3 LCD Std. Zoom Lens: 1.70:1Std. Lens Focus: Manual Optional Lenses: NoLens Shift: Vertical +/-% Throw Distance:1.1 m - 8.3 m Image Size:64 cm - 762 cm Throw Ratio:1.37:1 - 2.27:1 (D:W)Projector Placement:For a diagonal screen, place the projector lens between 2.8 m and 4.6 m from the screen. Digital Zoom: Yes Digital Keystone:Horizontal & Vertical Audible Noise:37.0 dB  /  30.0 dB (eco)Speakers:16.0 W Mono Max Power:357 Watts Voltage:100V - 240V Connection Panel:VGA Out (Dsub-15pin),  Audio In (RCA),  Composite (RCA),  S-Video, VGA In (Dsub-15pin),  HDMI,  HDMI,  Audio Out (Mini Jack),  Network (RJ-45), USB,  RS232 (DB-9pin),  Audio In (Mini Jack)