BenQ MS550 with the brightness of 3600 lumens & having the resolution of 800x 600 SVGA projector is well capable of creating an impact on educational & business presentation. The contrast ratio of 20,000: 1 for 30-300 inches image on the screen can provide enough clarity & visibility. The lamp with 5,000-10,000 hours of durability requires only 200 W power. This well reputed brand ensures HDMI x 2, USB Type Mini B x 1, Audio in (3.5mm Mini Jack) x 1, IR Receiver x 2 connectivity for compatibility. This white colored affordable device has built-in 2w speaker and a great portability with the weight of 2.3 kg.