BenQ EH620. Projector brightness: 3400 ANSI lumens, Projection technology: DLP, Projector native resolution: 1080p (1920×1080). Light source type: Lamp, Service life of light source: 4000 h, Service life of light source (economic mode): 10000 h. Focus: Manual, Focal length range: 12 – 15.6 mm, Aperture range (F-F): 1.84 – 2.47. Supported graphics resolutions: 640 x 480 (VGA), 1920 x 1200 (WUXGA). Serial interface type: RS-232, HDMI version: 1.4a