Brand - Acer, Model - Acer X1328WH, Category - Standard Throw, Resolution - 1280 x 800, 1920 x 1200, Max. Supported Resolution - 1920 x 1200, Light Output (lumens) - 4500 Lumens, Light Source (Watt) - 220Watt, Light Source Type - Lamp, Light Source Life Hours (Normal) - 6000 Hours, Light Source Life Hours (Economy) - 10000 Hours, Light Source Life Hours (Dynamic) - 15000 Hours, Contrast Ratio - 20,000:1, Color Depth - 30-bit, Display Color - 1.07 Billion, Throw Ratio - 1.54 to 1.72 (1524 mm@2000 mm), Min. Projection Distance - 3.2 ft, Max. Projection Distance - 32 ft, Native/Compatible Aspect Ratio - 16:10, 4:3, Zoom Ratio - 2x, Max. Lens Aperture - f/2.41 - f/2.53, Keystone Correction - -40 Degree/+ 40 Degree, Speaker - 1 x Speakers, Output Power: 3Watt, HDMI - 1, VGA/D-Sub - 2, USB - 1 x USB Type-A, Audio Port - 1 x Audio In, 1 x Audio Out, Video Compatibility - EDTV, HDTV, NTSC, PAL, SDTV, SECAM, Power Source - 100 V AC - 240 V AC, Power Consumption - 275W (Operating), 500 mW (Standby), Integrated Speaker - Yes, Speakers Included - Yes, Weight - 2.80 Kg, Features - 4,500 Lumens Brightness: See crystal-clear, vibrant images from a distance in daylight or medium to large rooms with up to 4,500 lumens of brightness. Acer ColorBoost3D: Reproduce lifelike colors and brilliantly bright images with Acer ColorBoost3D technology. Acer ColorSafe II: Enjoy consistent, natural colors with ColorSafe II technology, which controls the dynamic RGB levels to prevent color decay. Acer LumiSense: Acer LumiSense adjusts the image brightness and color saturation based on the content you are viewing. Acer BlueLightShield: Protect your eyes from unnecessary strain by utilizing Acer BlueLightShield technology: Protect your eyes from unnecessary strain by utilizing Acer BlueLightShield technology. Integrated Speakers: What you hear will be just as good as what you see with the powerful built-in speakers., Others - Maximum Vertical Sync: 120 Hz, Maximum Horizontal Sync: 100 kHz, Minimum Vertical Sync: 24 Hz, Minimum Horizontal Sync: 15 kHz, Minimum Focal Length: 21.85 mm, Maximum Focal Length: 24mm, Minimum Diagonal Image Size: 685.80 mm, Maximum Diagonal Image Size: 7.62 m (300 Inch), Projection System: DLP, Projection Method: Ceiling, Front, Rear, Rear Ceiling. HDMI Version: HDMI 1.4a, Composite Video: Yes, Specialty - Project with clarity with the X1328WH projector. Get bright, clear images even in well-lit, medium-sized rooms with up to 4,500 lumens of brightness. True-to-life colors are possible thanks to Acer LumiSense, ColorBoost3D and Color Safe II, while Acer BlueLightShield protects your eyes., Warranty - 1 Year, Country of Origin - Taiwan, Made in/ Assemble - China