Epson PowerLite V11H985020-N. Projector brightness: 4000 ANSI lumens, Projection technology: 3LCD, Projector native resolution: WXGA (1280x800). Light source type: Lamp, Service life of light source: 17000 h, Service life of light source (economic mode): 17000 h. Focus: Manual, Focal length range: 16.9 – 20.28, Throw ratio: 1.30 - 1.56. Analog signal format system: NTSC,NTSC 4.43,PAL,PAL 60,PAL M,PAL N,SECAM, Supported graphics resolutions: 640 x 480 (VGA),800 x 600 (SVGA),1280 x 1024 (SXGA),1280 x 960,1366 х 768,1400 x 1050..., Supported video modes: 720p. Serial interface type: RS-232C
Epson DC-21. Optical sensor size: 1/2.7", Sensor type: CMOS, Supported graphics resolutions: 1024 x 768 (XGA), 1280 x 1024 (SXGA), 1280 x 768 (WXGA), 1280 x 800 (WXGA). Optical zoom: 12x, Digital zoom: 10x, Shooting area (WxD): 11.7 x 16.5" (297 x 420 mm). Interface: USB 2.0, USB connector type: USB Type-B. Power supply type: AC, Power consumption (typical): 0.5 W, AC input voltage: 100-240 V. Mac operating systems supported: Mac OS X 10.0 Cheetah, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
Epson PowerLite E20. Projector brightness: 3400 ANSI lumens, Projection technology: 3LCD, Projector native resolution: XGA (1024x768). Light source type: Lamp, Service life of light source: 6000 h, Service life of light source (economic mode): 12000 h. Focus: Manual, Fixed focal length: 0.0567" (1.44 mm), Zoom ratio: 1.35:1. Analog signal format system: NTSC, NTSC 4.43, PAL, PAL 60, PAL M, PAL N, SECAM. Serial interface type: RS-232C