BenQ MX720, 3500 ANSI lumens, DLP, XGA (1024x768), 13000:1, 4:3, 37 - 180" BenQ MX720. Projector brightness: 3500 ANSI lumens, Projection technology: DLP, Projector native resolution: XGA (1024x768). Light source type: Lamp, Service life of light source: 3500 h, Service life of light source (economic mode): 6000 h. Focal length range: 18.18 - 21.84 mm, Aperture range (F-F): 2.54 - 2.73, Zoom ratio: 1.2:1. Analog signal format system: NTSC, PAL, SECAM, Supported graphics resolutions: 1024 x 768 (XGA), 1600 x 1200 (UXGA), 640 x 480 (VGA), Supported video modes: 1080i, 1080p, 480i, 480p, 576i, 576p, 720p. Serial interface type: RS-232, USB connector type: Mini-USB B https://www.pcmag.com/article2/0,2817,2424404,00.asp The BenQ MX720%displayPrice% at %seller% portable projector offers higher brightness than the BenQ MX661%displayPrice% at %seller%, and has good data and video image quality. It is portable, 3D ready, and has a solid set of connectivity choices, though it... Bright. Good data and video image quality. Portable. 3D capable. Good lamp life. Lacks port for USB thumb drive. Though audio was loud, quality could have been better The BenQ MX720 projector is bright, portable, and offers good image quality for both data and video....