ASUS P3B Ultra-Short-Throw Battery-Powered Projector is a lightweight and compact projector with a footprint about the size of a CD case, so it fits easily into a briefcase or bag. The brightest battery-powered portable LED projector available, P3B provides crisp WXGA 1280 x 800 resolution images with a maximum brightness of 800 lumens. Its built-in rechargeable battery gives you up to 3 hours of cable-free projection time and also doubles as a 12,000mAh power bank for charging mobile devices. A ultra-short-throw lens lets the P3B project images measuring from 25 inches (0.45m) to 200 inches (3.4m) at very close range. The P3B is designed to be used anywhere - outdoors while camping, in a home theater, or in small meeting rooms. ASUS P3B LED Projector features an 800 lumens light output and 100% NTSC colour gamut to deliver sharp and vivid WXGA 1280 x 800 visuals. The mercury-free Eco-LED light source has a 30,000-hour lifespan to cut down on bulb-replacement costs. The ultra-slim and compact ASUS P3B tips the scales at just 750g, and has a desktop footprint similar to a CD case (153.5 x 43 x 131.2mm). So it's totally portable and fits perfectly in your bag! ASUS P3B's built-in rechargeable battery gives you up to 3* hours of cable-free projection time; it means you're free to set up the projector wherever you want without having to worry where the nearest power socket is. ASUS P3B can also serve as a power bank to charge your mobile devices even when it is turned off. The powerful 12000mAh capacity means it can charge your mobile devices several times. With its ultra-short-throw lens, the ASUS P3B provides projected images measuring from 25 inches to 200 inches at very close distances. This lets you turn any large flat vertical surface into a display, and makes it perfect for presentations in confined spaces.