Optoma PK320 WVGA 100 Lumen DLP LED Pico Pocket Projector (Discontinued by Manufacturer) For Business Presentations & Personal Media Sharing Dlp Pico Technology 20,000 Hour Led Light Source 1-Year Limited Parts & Labor Warranty, 90 Days On Battery 3000:1 Contrast Ratio Truly portable - Palm-sized, lightweight, and rechargeable MicroSD card slot allows for memory expansion Project large widescreen images of up to 120" diagonal LED light source lasts over 20,000 hours while producing excellent color Full assortment of I/O ports, including USB, VGA, HDMI and video, allows for easy connection to most analog or digital devices