ZOSI C220 16CH 4K PoE Home Security Camera System, 16CH 8MP 4K NVR with 4TB HDD for 24/7 Record, 12 x 4MP(1440p) 2.5K Dome IP Cameras Outdoor Indoor, Smart AI Human Detection, One-Way Audio
(1). [ Simplified Setup with PoE Technology ]__Experience a stress-free installation with the C220 4MP 2.5K PoE security camera and ZOSI 16CH 4K 8MP PoE NVR. A simple PoE connection eliminates the need for separate power cables, making this setup perfect for DIY enthusiasts.
(2). [ 2.5K 4MP Super HD & Crisp Night Vision ]__Indulge in stunning 2.5K 4MP Super HD visuals with the ZOSI C220 Weatherproof Outdoor PoE camera. Capture clear details day and night, thanks to advanced night vision capabilities and an automatic IR-cut filter, delivering exceptional image and video quality up to 100ft away.
(3). [ Smart Human Detection & Instant Alerts ]__Reduce false alerts with our latest human detection feature, fully customizable to your preferences. Stay informed with real-time threat alerts through the user-friendly ZOSI Smart App, receiving quick app pushes and email alerts, complete with relevant snapshots within your chosen detection areas.
(4). [ Flexible Remote Access & One-Way Audio ]__Seamlessly access and control your cameras via the ZOSI Smart App on your smartphones or the AVSS Client on tablets/PCs, without any additional fees. Enhance your monitoring with built-in microphones for high-fidelity audio. Add ZOSI cameras for Live View and capture vital evidence.
(5). [ H.265+ Superior Coding & 4TB HDD for 24/7 Record ]__Discover the advantages of advanced H.265+ coding, reducing bandwidth and storage needs by up to 50% compared to H.264. Ensure uninterrupted security with simultaneous recording on up to 16 channels. Receive intelligent motion-triggered alerts and enjoy optimized storage efficiency. The system includes a 4TB HDD, offering ample storage for continuous recording.

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