BenQ MX661, 3000 ANSI lumens, DLP, XGA (1024x768), 13000:1, 4:3, 37 - 300" BenQ MX661. Projector brightness: 3000 ANSI lumens, Projection technology: DLP, Projector native resolution: XGA (1024x768). Light source type: Lamp, Service life of light source: 6500 h, Service life of light source (economic mode): 3500 h. Focal length range: 2.51 - 2.69 mm, Aperture range (F-F): 21.95 - 24.18, Zoom ratio: 1.1:1. Analog signal format system: NTSC, PAL, SECAM, Supported graphics resolutions: 640 x 480 (VGA), 800 x 600 (SVGA), 1600 x 1200 (UXGA), Supported video modes: 480i, 480p, 576i, 576p, 720i, 720p, 1080i, 1080p. Serial interface type: RS-232, HDMI version: 1.4a, USB connector type: Mini-USB B, USB Type-A, USB Type-B https://www.pcmag.com/review/314937/benq-mx661 The BenQ MX661%displayPrice% at %seller% is designed primarily for corporate settings good brightness and resolution, solid data image quality, portability, a good selection of connectivity ports, a substantial zoom ratio, and 3D capability among them. Th... Good video quality. Can run presentations from a USB thumb drive. 3D capable. Good lamp life. Audio is on the soft side. Data image quality notably worse over a VGA connection The BenQ MX661 is a good choice as a business projector, providing solid data image quality, fairly good video, and a wide range of connection choices....