Epsons 3LCD technology ensures high-quality images with equally high White & Colour Light Output for vivid colours & bright images, even in daylight, & three times brighter colours than leading competitive projectors• WXGA resolution, that matches the resolution & aspect ratio of most laptop displays, & 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 Interactivity 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. Reliable Project for longer with enhanced reliability & a longer lamp life of up to 10, 000 hours. More control & collaboration The multi-PC projection software allows teachers & students to share their content simultaneously. The moderator function allows teachers to remain in complete control since they can choose when to display student content â€" ideal for interaction in a collaborative teaching or training environment. Save time Simply plug in & turn on â€" there is no warm-up time, & with a wall-mounting bracket included in the box, it is easy to get started.