Product Description Display System 0.45" DLP Native Resolution 1280 x 800 (WXGA) Max Brightness 800 Lumens Offset 100% ± 5% Aspect Ratio Native: 16:10 Supported: 4:3 Supported: 16:9 Contrast Ratio 100000:1 DLP Link 3D Yes Color Depth 8-Bit (16.78 Million Colors) Lens Throw Distance 1.312 - 11.155' / 0.4 - 3.4 m Projection Size 25 - 200" / 63.50 - 508.00 cm Features Keystone Correction : ± 40° Ceiling Mountable Yes Rear Screen Projection Yes Built-In Speaker Yes (Stereo) Speaker Power 2 W Internal Memory 2.0 GB General Light Source LED Expected Lamp Life Medium Brightness:  30,000 Hours Security Cable Lock Slot Supported Audio File Types AAC, MP1, MP2, MP3, WAV, WMA Supported Document File Types PDF, PPT, TXT, XLS Supported Photo File Types BMP, JPEG Supported Video File Types AVI, MKV, MOV, MP4, MPEG, WMV Power Consumption Medium Brightness: <65 W Standby Mode (Lamp Off): <0.5 W Temperature Operating 32 to 104°F (0 to 40°C) Humidity: 20 - 90% Dimensions (W x H x D) 6.0 x 1.7 x 5.2" / 153.5 x 43.0 x 131.2 mm Weight 26.456 oz / 750 g Box Dimensions (LxWxH) 11.8 x 9.9 x 3.2"