The Sharp’s AQUOS BOARD PN-L603B is designed for smooth and effortless communication in a wide range of contexts. The highly responsive touch pens allow several people to write on the same screen at the same time. The PN-L603B features 60" class (60 - 1/16" diagonal) screen size with 10 point multi-touch/multi-user system that allows up to four people to write on the screen at the same time using touch pens or fingers. With full 1920 x 1080 (1080p) resolution – from analog RGB, digital RGB and HDTV video sources. Touch Display Link 2.0 Software – Onscreen content – including handwritten notes and drawings made in real time – can be viewed simultaneously on the AQUOS BOARD and mobile devices such as PCs, tablets and smartphones. Protecting the screen is a specially coated film that works to reduce glare and reflections, and minimize fingerprints on the glass surface. With built-in 10 watt per channel front facing stereo speakers feature. And Sharp’s Touch Display Link software enables multifaceted wireless communication. Whether in the boardroom or the classroom, Sharp changes the way you communicate. The PN-L603B includes 3-year on-site limited warranty that covers parts, labor and backlight.