CENTURY-STAR 100in Projector Screen Pull Down, 3 Layers PVC Auto-Locking Manual Pull Down Projector Screen Retractable, 16:9 HD Portable Projector Screen Indoor Outdoor - Home Theater Office Education
【Convenient Auto-locking Device】Lock the height of the viewing movie screen as needed. While most retractable projection screens break the top metal frame from excessive impact when retracted quickly, the highlight of the CENTURY-STAR projection screen design is that you just need to pull down movie projector screens and it automatically and slowly retracts back into the reel, saving space. Suitable for presentations, exhibitions, outdoor backyard, business, schools, living rooms, churches, etc.
【Wrinkle-Free PVC Screen】Indoor/outdoor projector screen is made of 3-layer thickened PVC material, which allows you to get rid of wrinkles and won't be torn easily. Aluminum casing and bottom bar are sturdy and well-made. Front white projector screen with matte frosted design can keep the projected light evenly reflected and resist the interference of ambient light. Full black backing to prevent light from leaking, making your photos clear and vibrant.
【Easy to Install】Movie projector screen supports wall mounting and ceiling mounting, flexible positioning, easy to install in just a few minutes, allowing you to quickly get a great viewing experience, a ideal partner for your home and conference room. It is worth mentioning that the automatic projector screen supports cleaning with water to keep it dust-free and bright.
【UHD Picture/Video Screen】16:9 aspect ratio, active 3D, 1:1 high gain screen, clear and vibrant color and image quality. 160 degree open viewing angle, compatible with standard UHD/HD Projectors.
【1 Year Warranty】CENTURY-STAR ceiling projector screen has a 1 year warranty, if you need to contact our customer service team by email, we will solve it for you within 24H. Take the tv projector screen as a picks of birthday/christmas gift, boldly make a new attempt~

TOBENONE Thunderbolt 4 Dock with Power Adapter, Dual/Triple 4K@60Hz Monitor Docking Station for Windows, MacBook Pro(Thunderbolt 4 40Gb/s, HDMI, DP, 3xUSB 3.2, 3xUSB A, SD/TF 4.0, RJ45, Magnetic Base)
14 IN 1 Thunderbolt 4 Docking Station: The Thunderbolt 4 docking station 3 monitors features an impressive 14 ports, expanding your laptops from one Thunderbolt 4/3/USB 4/full feature USB C to 14 multi-purpose ports. The laptop docking station triple monitor includes Thunderbolt 4 (up to 8K, 40Gbps, 15W charging), DP and HDMI (up to 4K), 3 x USB 3.2 (up to 10 Gbps), SD/TF 4.0 (up to 232 Mbps), 3.5mm Audio & Mic, RJ45, DC-IN, HOST and a power button, which fully meets your needs in daily life.
Single 8K Display for Thunderbolt 4 Windows Laptop: Thunderbolt 4 Windows laptop users can extend a single 8K display via the Thunderbolt 4 port of the USB C Thunderbolt 4 docking station, providing more pixels for sharper, more attractive, and lag-free picture quality, ideal for sporting events or medical conferences.
Extend Triple/Dual 4K Monitors Docking Station: The USB C docking station triple monitor with Thunderbolt 4, DP, and HDMI ports can easily expand multiple monitors to do different projects, improving your productivity. For full-feature USB-C Windows laptops max up to triple 4K@60Hz displays. For M1 Pro/M1 Max/M2 Pro/M2 Max/M3 Pro/M3 Max, only use HDMI or DP combined Thunderbolt 4 ports to extend dual 4K@60Hz displays. Please note M1/M2/M3/Intel MacBooks only can extend 1 monitor.
90W Power Adapter Included: This TOBENONE Thunderbolt 4 triple display docking station has a 90W power adapter that provides powerful battery charging for both the laptop and the Thunderbolt 4 dock itself, ensuring safe and stable performance during usage. You can even charge your phone up to 15W simultaneously via the Thunderbolt 4 port without taking power from the laptop. With the 3 monitor docking station for your laptop, you can say goodbye to your other power adapter.
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Wireless Digital Microscope,Handheld USB HD Inspection Camera 50x-1000x Magnification with Stand Compatible with iPhone, iPad, Samsung Galaxy, Android, Mac, Windows Computer
【App Provided】: Optional software for IOS, Android, Windows, MacOS X. This microscope can support Android 6.0+, iOS 9.0 or later, Windows vista/7/8/10/11 or later, MacOS X 11 or later.
【Magnification & High Definition】: 2 million pixels, 1080P HD picture quality for smartphone, 720P for computer, 50x more magnification can meet your daily needs. Built-in 8 Dimmable LEDs provide enough illuminance.
【Easy to Carry, Rechargeable】: When fully charged(about 3 hous), it can last for about 3 hours. It makes for a very useful and fun tool to always have with you in the outdoors. You can enjoy the portable mini pocket microscope on your nature hikes.
【A Funny Tool】: This electronic microscope is more of a fixed focus magnifying glass, not a traditional microscope, Not suitable for professional serious biologists! This is definitely a very interesting thing for parents, adults, teachers, students, children, collectors, testers, electronics' repair folks, and inquisitive folks who are interested in exploring skin hair scalp trichomes and the microscopic world.
【Not only a Microscope】: More than a microscope, it is a camera, It can not only zoom in but also take photos and record videos. The ability to take video and still photos is amazing. It’s really useful when documenting plant phases throughout their lifecycle.
【Wifi Connection for Phone】: Download the software on the user manual from Google Play or APP Store; Turn on the microscope, connect the wifi (no password) which emits from the microscope; Run the app and it is easy to use.
【USB Connection for Computer】: 1. For win 10 and 11, you can directly plug into the USB port and search CAMERA in WINDOWS to find it and click on it. 2. WIN 7/8, please see the user manual. 3. For MacBook, please use Macbooks’ bundled software Photo Booth or Quick Time Playe

THUSTAR 8MP Document Camera & Webcam 4K with Dual Microphones, USB Visualiser A3-Size, 3-Level LED Lights, Image Invert Function, Fold, for Live Demo, Distance Education -Windows, macOS and Chrome OS
USB Document Camera with adjustable image reversal: The camera that can manually adjust image reversal. In video chat or image output, the image can be freely adjusted left/right and up/down; you can also manually adjust the reversed image that appears in the device to a normal image
8MP/2448P document camera with 30fps: using Sony's image sensor, it output ultra-high-definition images and videos live transmission, up to 2448P megapixels. Press the focus button once to automatically focus the document camera once. Moving the object under the lens, the camera will not be arbitrary automatic focus and the image dance. Macro can capture objects as close as 3.94"
Document Camera with Adjustable Image Brightness : the usb camera has brightness (plus) and brightness (minus) buttons, you can manually adjust the image brightness with 10 degree, to make sure that you can get the clear image. Camera comes with 14 ring lamp beads, 3 levels of brightness adjustable, which can eliminate shooting problems under difficult lighting conditions, allowing you to capture objects in dark and bright environments, and can also achieve Selfie fill-in function
Foldable Document Camera for teachers/classroom: embedded design, occupies a small space after folding, easy to carry; Multi-joint support with multi-angle rotate freely usb camera can capture 2D and 3D objects better and shooting high-definition images and videos. Maximum covering area: 16.5" x 116" in. (A3 paper)
USB Camera with highly compatible, plug-and-play : applicable to Windows PCS, Macs, and Chromebooks, automatically installs drivers when the device is plugged in, compatible with Tiktok, Google Meet, Skyp-Microsoft Teams, Zoom; it has built-in dual silicon microphones, which can reduce noise and improve sound quality