The Acer C120 Pico Projector weighs only 6.3 oz. for ultimate portability while the LED lamp lasts for up to 20000 hours minimizing replacement costs. A USB cable (included) provides all the power for the C120. There's no need for an adapter and driver installation is also eliminated. Images can be displayed as soon as the USB cable is connected between the projector and a PC. Viewers will see enhanced brightness and image quality because the C120 boasts USB 3.0 connectivity transferring data up to 10X faster than USB 2.0. Native Resolution: WVGA (854 x 480) Maximum Resolution: WXGA (1280 x 800) Maximum Wide Resolution: WXGA (1280 x 800) Contrast Ratio: 1000:1 Brightness - ANSI Lumens: 100 standard Projection Lens: F = 1.87 f = 11.0mm; manual focus Projection Screen Size: 10" (25cm) 100" (254cm) Projection Distance: 1.2' (0.4m) 12.0' (3.7m) Throw Ratio: 55" @ 2m (1.65:1) I/O Connectors: USB 3.0 Data Compatibility: PC; VESA standards 1080p (1920 x 1080) WSXGA+ (1680 x 1050) WXGA+ (1440 x 900) WXGA (1366 x 7681280 x 800 1280 x 768) UXGA (1600 x 1200) SXGA+ (1400 x 1050) SXGA (1280 x 1024) XGA (1024 x 768) SVGA (800 x 600) Displayable Colors: 16.7 million Lamp Type: RGB LED Expected Lamp Life: 20000 hours