BenQ LH720 DC3 Corporate Laser Projector 1080p (1920 x 1080) FULL HD 4,000 (ANSI-Lumens) 100,000:1 (Full on/Full off) 30” to 300” Laser diodes 20,000 hours (Normal) VGA (640 x 480) to 4K UHD (3840 x 2160) HDMI x2, D-Sub, Lan (Blu-ray Full HD 3D) USB, 2D Keystone & H ± 30 degrees, Speaker 10Wx1 2 Years (1000 hours on lamp)