Epsons 3LCD technology ensures high-quality images with equally high White & Color Light Output for vivid colors & bright images, even in daylight, & three times brighter colors than leading competitive projectorss. WXGA resolution & HDMI input mean that students benefit from sharp, clear projected images. Epsons interactive pens are now even more responsive & easy to use, with an enhanced design. Dual pen capability allows for simultaneous, collaborative learning with different pen attributes. The hover function accurately detects the position of the pen when its not in contact with the projection surface.