Amazon Optoma  
Optoma ML750ST Ultra-Compact 700 Lumen WXGA Short Throw LED Projector with MHL Enabled HDMI Port
Compact size and carry case: weighing under one pound, This Palm sized mini projector is perfect for the road warrior; it fits easily in a briefcase or backpack, or in the carry case, included in the box
Short throw projection: easily project in tighter spaces; the ML750ST short throw lens allows users to place the projector less than 6 feet away from the screen and still enjoy a large 100" Image
LED light source: enjoy up to 20, 000 hours of life with its brilliant LED lamp, An average of 5 hours a day for 10 plus years; LED lamps last 7 times longer than traditional lamps which require more replacements
Easy set-up with auto Keystone: ideal for space constrained environments, The ML750ST can simply be placed and the auto Keystone sensor will straighten the image on the screen with no hassle
Brightness: enjoy 700 lumens of brightness in lower lit meeting rooms, conference rooms, training rooms, classrooms and more
Go PC-free: a PC-free media player, image viewer and document reader enable users to display Office documents, PDFs and images from USB storage devices or micro SD card
Screen mirroring: share content from your mobile device, notebook, or gaming console with the integrated HD cast Pro for wireless screen mirroring via HDMI input; requires WUSB adapter, sold separately
Incredible picture quality: experience razor sharp images and videos with incredible colors and brightness with WXGA (1280 x 800) resolution and 20, 000: 1 contrast ratio
Optoma ML750ST Ultra-Compact 700 Lumen WXGA Short Throw LED Projector with MHL E
Amazon Optoma  
Optoma X600 XGA Projector for Business with High Brightness 6, 000 Lumens, Crestron Roomview For Network Control, Keystone Correction, Zoom, Silver
High brightness: enjoy an incredible 6, 000 lumens of brightness in well lit meeting rooms, conference rooms, training rooms, classrooms and more
Extensive connectivity options: The X600 features an impressive array of connectivity options including DisplayPort, two HDMI, two VGA, VGA out, S-VIDEO, composite video, 12V trigger, forest-232c, and RJ45
Network control with Crestron room view: set up complete network control and management of up to 250 projectors, a perfect solution for large installations in business and educational environments
Forest-232 control: Take control of the projector using hex or ASCII commands via forest-232 cable
Easy set-up: vertical keystone correction +/- 15 degrees allows the projector to be off-center without having to elevate it to project the image onto the screen, resulting in an easy, more flexible image set-up; a 1. 1x zoom enables flexible placement in any environment
Integrated speaker: a 10-watt built-in speaker enhances presentations with sound and simplifies the set-up without the need for external speakers; loud enough for medium to large classrooms and meeting rooms
Incredible picture quality: experience presentations with vibrant colors and sharp, clear text and graphics; XGA resolution (1024 x 768) and 10, 000: 1 contrast ratio
Full 3D compatibility: display true 3D content from almost any 3D source, including 3D Blu-ray Disc players, 3D broadcasting, and the latest-generation game consoles. Support for 144Hz rapid-refresh rate provides ultra-smooth flicker-free images. 3D glasses required.
Throw Ratio : 1.8 - 2.1:1
Optoma X600 XGA Projector for Business with High Brightness 6, 000 Lumens, Crest
Amazon IPEVO  
IPEVO V4K Ultra High Definition 8MP USB Document Camera — Mac OS, Windows, Chromebook Compatible for Live Demo, Web Conferencing, Distance Learning, Remote Teaching
Features an 8 Megapixel camera for capturing Ultra High Definition live images up to 3264 x 2448 pixels
High frame rate for lag-free live streaming – streams at up to 30 fps at full HD, and up to 15 fps at 3264 x 2448 pixel
Fast focusing speed helps minimize interruptions for frequent switching between different materials; features Sony CMOS Image Sensor for exceptional noise reduction and color Reproduction – great for capturing in dimly lit environments
Designed and made in Taiwan. Multi-jointed stand offers a simple fix for tightening loose joints caused by heavy daily use.Max Shooting Area:13.46 inch x 10.04 inch
Works with a variety of software and applications on Mac, PC and Chromebook that allows you to use it in different ways. System Requirements - Mac Intel Core i5 CPU 2.5 GHz or higher, OS X 10.10 or higher, Solid-state drive, and 200MB of free hard disk space, 256MB of dedicated video memory (For lag-free live streaming up to 1920 x 1080, and video recording of 1920 x 1080). Windows Recommended Requirements - Microsoft Windows 10,Intel Core i5 CPU 3.40 GHz or higher, 4 GB RAM, 200MB of free hard disk space, 256MB of dedicated video memory (For lag-free live streaming up to 1920 x 1080, and video recording of 1920 x 1080)
IPEVO V4K Ultra High Definition 8MP USB Document Camera — Mac OS, Windows, Chrom
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