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~

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