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 cocopar  
Portable Monitor 4K - 17.3 Inch UHD FreeSync HDR IPS 100% Adobe RGB 3840x2160 Lightweight Eye Care Computer Display with Type-C mini DP HDMI for Xbox PS4/5 Switch Laptop PC Mac, with Smart Case
【Advanced 4K HDR Gaming Monitor】17.3 inch USB Type C Portable Monitor adopts a 3840 x 2160 IPS A-grade screen. Build-in FreeSync and HDR feature(HDMI), 100% Adobe RGB color gamut, 16.7M colors, 178° viewing angle, 60Hz refresh rate, fast response speed. Eye Care tech minimizes blue light to reduce eye strain
【Power & Display with Single Type-C Port】For Ultra Convenience, only One USB Type-C Cable is required for power supply & display between portable monitor and your device with thunderbolt 3.0 or USB 3.1 Type C port. NOTE: Mid-USB-C is for Power & Display and Top-USB-C is only for Power
【Multiport and Device Connection】With Type C, HDMI, mini Display Port and USB port, cocopar monitor is compatible for laptops, PC, PS4/5, XBOX, Wii, Nintendo Switch, Raspberry Pi, etc. Perfect choice for business presentations, games, videos, TV series, photos, advertising, monitoring etc.
【Smart Case】Smart case keeps your monitor from scratching and can be folded into different angles for watching. Aluminum alloy CNC process ensures ultra durable frame. VESA-compatible screws ensure it can be easily mounted to compatible monitor arm or stand
【Dual Speakers & 6 Display Mode】2 built-in speakers efficiently helps display multi-media files. It features 6 display modes: Standard, Game, Movie, Photo, Vivid, User. Through intelligent algorithms, cocopar monitor optimizes the sharpness and contrast of every pixel in every frame to produce incredibly vivid and realistic imagery
Portable Monitor 4K - 17.3 Inch UHD FreeSync HDR IPS 100% Adobe RGB 3840x2160 Li
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