NEC NP-P451W, 4500 ANSI lumens, LCD, WXGA (1280x800), 4000:1, 16:10, 635 - 7620 mm (25 - 300") NEC NP-P451W. Projector brightness: 4500 ANSI lumens, Projection technology: LCD, Projector native resolution: WXGA (1280x800). Light source type: Lamp, Service life of light source: 3500 h, Service life of light source (economic mode): 6000 h. Focus: Manual, Focal length range: 17.4 - 29 mm, Aperture range (F-F): 1.7 - 2.1. Analog signal format system: NTSC, NTSC 4.43, PAL, PAL 60, PAL M, PAL N, SECAM, Supported graphics resolutions: 1280 x 1024 (SXGA), 1280 x 800 (WXGA), 1400 x 1050 (SXGA+), 1600 x 1200 (UXGA), 640 x 480 (VGA),..., Supported video modes: 1080i, 1080p, 480i, 480p, 576i, 720p. Serial interface type: RS-232, USB connector type: USB Type-A