DELL 7609WU, 3850 ANSI lumens, DLP, WUXGA (1920x1200), 2700:1, 530.9 - 7645.4 mm (20.9 - 301"), 1 - 12 m DELL 7609WU. Projector brightness: 3850 ANSI lumens, Projection technology: DLP, Projector native resolution: WUXGA (1920x1200). Light source type: Lamp, Service life of light source: 2000 h, Service life of light source (economic mode): 2500 h. Focal length range: 39.12 - 46.94 mm, Zoom type: Manual, Zoom ratio: 1.2:1. Analog signal format system: NTSC 4.43, NTSC J, NTSC M, PAL 60, PAL B, PAL D, PAL G, PAL H, PAL I, PAL M, PAL N, PAL Nc, SECAM..., Supported graphics resolutions: 1920 x 1200 (WUXGA), Supported video modes: 1080i, 1080p, 480i, 480p, 576i, 576p, 720p. Serial interface type: RS-232