WXGA model with 3400lm brightness and super short focus lens 0.8m projection 80 inches for more freedom of installation Equipped with HDMI, you can easily project high-quality video from DVD/Blu-ray Disc players, smartphones, and tablets. Built-in 16W speaker that can be heard every corner of the classroom without the need for external speakers in foreign languages. With the "Pitatto Correction (Vertical and Horizontal Trapezoid Correction), anyone can easily set it up and can project from an angle. With optional wireless LAN unit, you can also project documents and images from your iPad or iPhone (limited to supported file formats).