.This projector is very versatile and can play music, display pictures and videos connected to any HDMI-enabled device, media players, USB flash drives .With a projector distance of 1.5-5m, image size is 50″ to 80”, projector distance is 2-2.5m, it this distance, you will get an awesome display of about 120” .Native Resolution – 800 x 480 supporting 1080p, throw distance – 8″ BY 6″ feet, throw ratio – 1.4:1, aspect ratio – 4:3/16:9 .Q1 mini projector is ideal for home entertainment in the dark, not recommend for PPT or business presentation .Lamps Last up to 20,000 Hours, the 40W LED light source and built-in LED bulb can save up to 70 percent energy.