Brand - Vivitek, Model - Vivitek BS570, Category - Long Throw, Display Type - 0.55 Inch DLP, Resolution - 800 x 600, 1900 x 1200, Max. Supported Resolution - 1900 x 1200, Light Output (lumens) - 4100 Lumens, Light Source (Watt) - 210Watt, Light Source Type - Lamp, Light Source Life Hours (Normal) - 5000 Hours, Light Source Life Hours (Economy) - 7000 Hours, Light Source Life Hours (Dynamic) - 20000 Hours, Contrast Ratio - 15000:1, Throw Ratio - 1.9 - 2.3, Min. Projection Distance - 3.6 ft., Max. Projection Distance - 40 ft., Min. Image/Screen Size (Inch) - 30 Inch, Max. Image/Screen Size (Inch) - 300 Inch, Native/Compatible Aspect Ratio - 4:3 (Native), Keystone Correction - + - 40 Degree (Vertical), Speaker - 2W (Mono), HDMI - 2, VGA/D-Sub - 2, USB - 1 x USB (Service), Audio Port - 1 x Audio-In (Mini-Jack), 1 x Audio-Out (Mini-Jack), Additional I/O Ports & Connectivity - 1 x Composite Video, 1 x S-Video, 1 x RS232, 3D Ready - Yes, Power Source - AC 100-240V, 50/60Hz, Power Consumption - 240W (Normal Mode), 203W (Eco. Mode), <0.5W (Standby Mode), Integrated Speaker - Yes, Speakers Included - Yes, Body Color - White, Dimension - 331 x 244 x 105mm, Weight - 2.6 Kg, Features - Up to 4,100 ANSI lumens, Native SVGA resolution with a maximum WUXGA resolution, DLP and BrilliantColor technologies for distinct and vibrant images Low cost of ownership and maintenance with an energy efficient lamp for up to 20,000 hours (Long Eco. Mode) of usage, Others - Offset: 101.5% + - 5%, Noise Level 31dB/28dB (Normal/Eco. Mode), Warranty - 2 year (Lamp 365 Days/1000 Hours Which One Comes First)