This projector offers superb interactivity thanks to its dual pen capability. With a brightness level of 3, 200 lumens & HD-ready WXGA resolution, the EB-675 Wi's ultra-short-throw design means that you can present large images from a very short distance with minimised shadows & glare. A 14, 000:1 contrast ratio & HDMI input mean that students benefit from sharp, clear images. ** High brightness & image quality** 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 competitive projectors 1. With a scalable display size of up to 100 inches, two types of content can be displayed using the split-screen without compromising on quality. ** Dual pen** Epson's interactive pens are now even more responsive & easy to use when annotating directly on screen. With the new dual pens, teacher & student or two students can work simultaneously using different attributes. ** Highly reliable** Project for longer with enhanced reliability & a longer lamp life of up to 10, 000 hours in eco mode. ** Interact & enhance learning** Multi-PC projection software allows teachers & students to share content simultaneously. The moderator function allows teachers to remain in control, choosing what content to display. Combine two projectors to create one large interactive display. Split-screen capability allows teachers to display two separate types of content simultaneously, such as a lesson plan from a PC & a still image or video clip from a document camera. ** Optional wireless capability** Wirelessly display content easily from a range of smart devices & Google Chromebooks using our i Projection App.