The BenQ MX723 is just the projector you need to perfect your presentation in all settings. Featuring XGA resolution with 3700 ANSI lumens and 13000:1 high contrast ratio, the MX723 also offers multi display for ultra-smooth connection to keep your presentation lookin" great! The MX723 1.6x big zoom feature opens up space with an impressively wide range of throw distances. All you have to do is simply place the new projector right where your original ceiling mount is. The 2D keystone correction feature gives you a wider projector installation flexibility by correcting the trapezoid effect using horizontal and vertical adjustments. Corner Fit Correction-With Quick Intall hot key on the remote control, installer can quickly access to installation related functions in the OSD menu. As the first DLP brand to incorporate Philips" ImageCare technology into its projector lamp system, BenQ has taken a further leap, developing its own SmartEco Technology to perfect what DLP can do. Built with this brand new invention, the MX723 brings together uncompromised brightness, exquisite picture quality and optimized lamp life through innovative features. The Eco Blank mode allows you to blank the projection screen when the projector is not in use. When activated, this special feature dims the lamp power automatically, lowering the total power consumption by 70%. The SmartEco Mode, which cleverly adjusts the lamp power to maximize power saving by delivering the best contrast and brightness performance using only as much light as needed. The MX723 comes with enhanced audio support for your classroom, delivering crisp-clear audio performance with built-in 10W speaker power. Now, teachers can teach with ease and students can learn more effectively. Various 3D format supported by the MX723 are 3D field-sequential, 3D frame packing, 3D top-and-bottom and 3D side-by-side. Furthermore, this incredible projector can be connected to a Blu-ray DVD player for even more stunning visual quality.