This is the true led projector, which is well suited for movies, presentations or training, anytime, anywhere. Por 318 is not only thinner smaller than its predecessors but also better in brightness and sound quality. Portronics POR-318 is based on the DLP technology, which is the most sophisticated light technology in the world. It contains a rectangular array of up to 8.8 million hinge-mounted microscopic mirrors. Each of these micro-mirrors measures less than one-fifth the width of a human hair. The DLP chip can be used for efficiency and reliable spatial light modulation. Projector brightness is the most popular feature for any portable projector. The POR-318 is a 50 lumens projector and is great for 10-20 people in a reasonably dark room. The brightness remains the same whether it is connected to the ac power or running on in-built battery. 80 inch diagonal screen length can be easily achieved by keeping the projector 8 feet away from the wall or the screen. One can enjoy movies through the SD card, USB drive or through your computer anytime and anywhere. The device is also useful for professionals on-the-go to present important presentations or slides and information to a group. Por 318 is one of the most versatile projectors in the market with an in-built multimedia engine. Movies can be displayed through the USB drives, SD card or through a laptop using the HDMI cable. Projector can be also connected through to the set-top box via the AVI cable already bundled with the projector. USB and SD cards can include almost any video formats and it takes just seconds to operate the projector.