Dell M115HD Mobile LED Projector, WXGA 1280x800, HDMI USB Inputs, 1GB Internal Memory, 450 ANSI Lumens Contrast Ratio: 10,000:1, Display Size: 30-Inch to 80-Inch Throw Distance 3.18 ft ~ 8.48 ft (0.97m ~ 2.58m) HDMI, Built-in Speakers Mercury-free LED light source LED Light Source Lifecycle: Up to 30,000 hours Normal / Eco-Mode