. Interactive education projector MH856UST+ is designed for classroom collaboration and interaction with scalable interactivity and wireless use. Offering spectacular image quality MH856UST+ also provides simplified installation lower maintenance prolonged lamp life and reduced TCO. With high brightness and ultrashort throw MH856UST+ enhances any learning environmentKey Product Info . Tailored for optimum learning experienceUncompromised high brightnessUnobstructed instruction without space constraintsBigger imagesMulti-touch with pens and multi-screen drawing on any surfaceControl system compatibilityDigital shrink and; shift for effortless display adjustmentAnti-dust accumulation sensor resists dust buildupOptimized lamp life and energy savings Product Features Tailored for optimum learning experienceBenQ\'s professional color-grading technology is tailored for various teaching content Infographic Mode is great for showcasing the text and graphics of infographic in detail ensuring more saturated and lively color performance than presentation mode. Vivid Mode is designed for supreme color performance during video or image presentation. Uncompromised high brightnessFor perfect projection performance MH856UST+ produces 3500 ANSI lumens and Full HD 19201080 high resolution for clear sharp images and text even in large bright classrooms. High brightness allows lights to be kept on during lessons and the wide-aspect high resolution increases readability for expanded content. Unobstructed instruction without space constraintsOffering a big screen in short distance with ultra-short throw ratio MH856UST+ eliminates distracting shadows and glare for students and teachers to engage and collaborate freely in front of the board. Bigger imagesBenQ education projectors offer a range of resolutions and projected image sizes to meet diverse classroom needs. Featuring crisp image quality up to 100 inches BenQ ultrashort throw education projectors deliver increased classroom versatility at reduced costs. Multi-touch with pens and multi-screen drawing on any surfacePointWrite technology works on any flat surface so no expensive digital whiteboard or additional equipment is necessary thus creating vast new opportunities for classroom interactivity and enabling possibilities for modern digital classrooms. Control system compatibilityMH856UST+ is widely compatible with leading projector control systems including Crestron AMX PJ Link and Extron IP Link for network control via LAN making it simple to integrate into educational network infrastructures. MH856UST+ also supports RS-232 for reliable long-distance installation up to 15 meters when there is no LAN infrastructure. Digital shrink and; shift for effortless display adjustmentDigital Image Shrinking and shift lets installers shrink the image via OSD menu. The image can also be shifted so installers do not have to reinstall or adjust the projector physically in case the image is not precisely aligned on the desired frame and space. Anti-dust accumulation sensor resists dust buildupIncorporating color wheel sensors with an ingenious anti-dust accumulation feature BenQ education projector prolongs optimal performance by rejecting dust which can accumulate on traditional sensors to block the IR signal and cause flickering abnormal colors or even shutdown. Optimized lamp life and energy savingsFewer lamp replacements and less maintenance translate into overall lower cost of ownership. The LampSave Mode achieves this by adjusting the lamp power dynamically by content level to help save up to 70% lamp power consumption and extend projector lamp life by up to 50% compared to normal mode. What\'s in the box? . BenQ MH856UST+Wall mounting kit 2 x AAA batteries wireless remote controlVGA cableMounting kit