YISCOR LED Projector Multimedia Black HD 1080P 800*600 2000Lumens LCD HDMI USB for Home Theater Cinema Movie Game Effect USE IN DARK ENVIRONMENT ONLY: We only recommend you to use it in dark and dim environment so you can get better projecting effect. LONG LASTING LED LIGHT SOURCE -- The LED digital based light source shows picture in stunning color and clarity and because the light pulses. Unlike conventional lamp-based projectors, our LED Lamp can last up to 20,000 hours. HIGH BRIGHTNESS IN DARKNESS--Our Projector only fits to use in dark environment, as in this case, it can bring high brightness. DIGITAL ZOOM IMAGES WITHOUT MOVING THE PROJECTOR-- Want to zoom the images for better vision? Just push the ZOOM buttom on the remote controller to get the size you need, you don't need to move the projector, very convenient. MULTI-PLACE USAGE -- It's designed to make a big impression, turning any setting into your personal presentation or entertainment environment. With 1080P supportable resolution and 21.5-91 inches (Diagonal) throw distance, our projector is suitable for home cinema, office, education, entertainment and many other places.