NEC ME361X. Projector brightness: 3600 ANSI lumens, Projection technology: 3LCD, Projector native resolution: XGA (1024x768). Service life of lamp: 4000 h, Bulb power: 235 W, Service life of lamp (economic mode): 9000 h. Focus: Manual, Focal length range (f-f): 17.5 - 29 mm, Aperture range (F-F): 1.7 - 2.1. Analog signal format system: NTSC,PAL,PAL 60,SECAM, Supported graphics resolutions: 640 x 480 (VGA),720 x 480,720 x 576,800 x 600 (SVGA),832 x 624,1024 x 768 (XGA),1152 x 870,1280 x..., Supported video modes: 480i,480p,720p,1080i,1080p. Serial interface type: RS-232