This projector offers superb interactivity thanks to its dual pen capability. With a brightness of 3,500 lumens and HD-ready WXGA resolution, the EB-685Wi's ultra-short-throw design allows you to present large images from a very short distance with minimised shadows and glare. A 14,000:1 contrast ratio and HDMI input mean that students benefit from sharp, clear images. High brightness and image quality Epson’s 3LCD technology ensures high-quality images with equally high White and Colour Light Output for vivid colours and bright images, even in daylight, and three times brighter colours than competitive projectors1. 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 and easy to use when annotating directly on screen. With the new dual pens, teacher and student or two students can work simultaneously using different attributes. Highly reliable Project for longer with improved reliability and a longer lamp life of up to 10,000 hours in eco mode. Interact and enhance learning Multi-PC projection software allows teachers and 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 and a still image or video clip from a document camera. Optional wireless capability Wirelessly display content easily from a range of smart devices and Google Chromebooks using our iProjection App.