Sharp XP-M421W-W is a 4,200-lumen WXGA (1280x800) resolution laser projector featuring DLP technology with a 0.65" DMD chip. The M Series projector utilizes a phosphor laser light source rated for up to 20,000 hours of operation, providing maintenance-free performance. It offers 16:10 aspect ratio with 1.3x zoom capability and a throw ratio of 1.19-1.54:1, supporting screen sizes from 40-120 inches. The unit includes dual HDMI 1.4b inputs with HDCP, delivers 50,000:1 contrast ratio, and features ECO Mode technology that reduces fan noise to 26dB. With compact dimensions of 27.8x11.6x21.6 cm and weighing 3.0 kg, this projector is designed for K-12 classrooms and small meeting spaces with quick power-on/off capabilities and auto power-on functionality.