The Acer U5320W is an ultra-short throw projector that can be placed as close as 23cm (9.1-inches) from the projection surface, & the ability to can project up to 100-inch images at a distance of 50cm (19.7-inches), providing greater space flexibility. It also eliminates shadowing & enhances viewing comfort, a significant benefit for classrooms. The U5320W's WXGA resolution & 3, 000 lumens brightness creates crystal-clear & vibrant images, while its 2x 10W speakers provide powerful sound. When paired with an optional Acer Smart Pen II, the U5320W is ideal for classroom settings, allowing on-screen writing from up to a 32-foot distance for up to two users, & working as a remote control to encourage interactive learning.