BenQ TH671ST. Projector brightness: 3000 ANSI lumens, Projection technology: DLP, Projector native resolution: 1080p (1920x1080). Light source type: Lamp, Service life of light source: 4000 h, Service life of light source (economic mode): 10000 h. Zoom ratio: 1.2:1. Analog signal format system: NTSC, PAL, SECAM, Supported graphics resolutions: 640 x 480 (VGA), 1920 x 1080 (HD 1080), 1920 x 1200 (WUXGA). Serial interface type: RS-232, HDMI version: 1.4a