Flexible size, ultra-short throw projection and vivid images are among the foremost features BrightLink 450Wi offers with its projecting options from 59-inches diagonal to up to 96-inches diagonal (WXGA) and from 55 inches up to 102-inches diagonal (XGA); working proximity as close as 2.8-inches away from the wall as well as 2,500 lumens white light output and 2,500 lumens color light output. Adding up to the favorable specs are built-in closed captioning decoder for viewers with hearing impairments, dedicated microphone input and internal 10W speaker, compatibility both with Windows PC or Mac via USB connection along with open compatibility with any interactive software program. It also works through wired RJ-45 LAN connectivity making it possible to deliver presentations, lessons etc. to multiple rooms/ classrooms etc. simultaneously. Last but not the least, it comes with two digital infrared pens and wall mount hardware for easy installation.