Amazon Shure  
Shure BLX4 Single Channel Wireless Receiver with Frequency QuickScan, Audio Status Indicator LED, XLR and 1/4-inch Outputs - for use with BLX Wireless Systems (Transmitter Sold Separately) | H9 Band
WIRELESS FREQUENCY BAND SELECTION - Before purchasing, please ensure that the wireless frequency band you select works in your area (refer to Shure website for details > search Shure Wireless Frequency Finder).
COMPONENT ONLY - For this BLX4 wireless receiver to work, please make sure it matches the frequency band (e.g. H9, H10, J11) on your Shure BLX series transmitter (BLX1 or BLX2), sold separately.
SUPERIOR AUDIO - Get the show going with no strings attached. Professional Shure sound for every band and any vocal need.
EXTEND THE STAGE - The system operates up to a range of 300 feet (100m), so you can take the show into the crowd without interruption.
QUICK & EASY SETUP - A breeze to setup and operate, BLX will have you up and running in record time. BUILT-IN VERSATILITY - An impressive variety of Shure microphones are available in BLX systems, so you can find the sound that works for you.
BATTERY LIFE - BLX transmitters get up to 14 hours of power from a single pair of AA batteries, so the show can go on and on (and on).
WHAT'S IN THE BOX - BLX4 single-channel receiver, power supply, and user guide. Free 2-YEAR WARRANTY included.
SYSTEM EXPANSION - Run up to 12 Channels per Frequency Band. AKA: you'll probably need to find a bigger stage before you run out of channels.
USER-FRIENDLY INTERFACE: The system features a user-friendly interface with easy-to-use controls, allowing users to adjust settings and manage the system with ease.
TRUSTED QUALITY - Engineered by Shure with the durability that set the world standard, it’s sure to keep turning up at legendary performances.
Shure BLX4 Single Channel Wireless Receiver with Frequency QuickScan, Audio Stat
Amazon THUSTAND  
Thustand Document Camera for Teachers, Doc Camera, USB Visualizer with LED Light, Auto Focus, Image Invert, Fold, For Mac OS, Windows, Chromebook
3-in-1 Document camera, visualizer and PC webcam: Equipped with HD sensor, the highest resolution can reach 1944P. Its small size frees up valuable desk space, and its durable, multi-jointed design enables excellent image capture of any 2D and 3D object
USB document camera with left and right mirror function: Tailor-made it that best meets your requirements. Image inversion can be adjusted with buttons, and it supports the mirror function of freely adjusting the image during video chat or remote teaching. No need to worry about mirroring
Document camera for teachers with 3-level LED light and 5-level exposure: touch LED light button, simple and convenient operation, 3-level brightness adjustable, can change the brightness according to the environment. You can also use the "☼" button to perform 5 levels of fill light, making it easy to see objects clearly in dim environments
Manual-focus doc camera: It can adjust the focus more accurately to ensure the clarity of the picture. It features HD 1944P resolution with a refresh rate of up to 30 frames per second (fps), and our enhanced focus helps capture videos that are as accurate and true-to-life as possible
Highly compatible, plug and play function: the works seamlessly with all mainstream webinar software applications (Zoom, Google Meet, etc.). You can also flip the image to capture your face for video conferencing. Built to run on PC (Windows 7/8/10/11), Mac (OS10.12 or higher), and Chromebook (38.00 or higher)
Thustand Document Camera for Teachers, Doc Camera, USB Visualizer with LED Light
Amazon Shure  
Shure BLX88 Dual Channel Wireless Receiver with Frequency QuickScan, Audio Status Indicator LED, XLR and 1/4-inch Outputs - for use with BLX Wireless Systems (Transmitters Sold Separately) | H10 Band
WIRELESS FREQUENCY BAND SELECTION - Before purchasing, please ensure that the wireless frequency band you select works in your area (refer to Shure website for details > search Shure Wireless Frequency Finder).
COMPONENT ONLY - For this BLX88 wireless receiver to work, please make sure it matches the frequency band (e.g. H9, H10, J11) on your Shure BLX series transmitters (BLX1 or BLX2), sold separately.
SUPERIOR AUDIO - Get the show going with no strings attached. Professional Shure sound for every band and any vocal need.
EXTEND THE STAGE - The system operates up to a range of 300 feet (100m), so you can take the show into the crowd without interruption.
QUICK & EASY SETUP - A breeze to setup and operate, BLX will have you up and running in record time. BUILT-IN VERSATILITY - An impressive variety of Shure microphones are available in BLX systems, so you can find the sound that works for you.
BATTERY LIFE - BLX transmitters get up to 14 hours of power from a single pair of AA batteries, so the show can go on and on (and on).
WHAT'S IN THE BOX - BLX88 dual-channel receiver, power supply, and user guide. Free 2-YEAR WARRANTY included.
SYSTEM EXPANSION - Run up to 12 Channels per Frequency Band. AKA: you'll probably need to find a bigger stage before you run out of channels.
USER-FRIENDLY INTERFACE: The system features a user-friendly interface with easy-to-use controls, allowing users to adjust settings and manage the system with ease.
TRUSTED QUALITY - Engineered by Shure with the durability that set the world standard, it’s sure to keep turning up at legendary performances.
Shure BLX88 Dual Channel Wireless Receiver with Frequency QuickScan, Audio Statu
Amazon PAKOTOO  
PAKOTOO 8MP USB Document Camera for Teachers and Classroom for A3 A4 Size with Dual Mic, 3-Level LED Light, Up and Down, Left and Right Image Inversion, for Distance Teaching & Learning
Document camera with Image reversal function: The image reversal function can be realized through the button (no need to pass the software). When video chatting or picture output, the picture can be freely reversed left and right, up and down;
Document camera for teachers with 3 levels of brightness adjustment and 10 levels of exposure adjustment: The brightness function can be realized by buttons to ensure that you can get clearer images. It can also realize the Selfie fill light function in dark and bright environments
Document camera for teaching with Foldable: Embedded design, takes up little space after folding, and is easy to carry; multi-joint supports multi-angle free rotation, which can better capture 2D and 3D objects. Maximum coverage area: 16.5" x 116" in (A3 paper)
USB document camera with autofocus: 2448P high-definition document camera, press the focus (AF) button once, and the document camera will automatically focus once. Move the object under the lens, the image will not be blurred. Macro captures objects as small as 3.94"
Plug and play, high compatibility: classroom document camera is suitable for Windows PC (Windows XP/7/8/10/11), Mac (OS10.11 and above), Chromebook (38.00 and above), support Tiktok, Google Meet, Skyp-Microsoft Teams, Zoom. Built-in two noise-canceling microphone, perfect for use in remote meetings/live streaming/games/classes/chats
PAKOTOO 8MP USB Document Camera for Teachers and Classroom for A3 A4 Size with D
Amazon INSWAN  
INSWAN INS-1 USB Document Camera — 8MP Ultra HD, Auto Focus, LED Light, Built-in Microphone, Mac OS, Windows, Chromebook Compatible for Distance Learning, Remote Teaching, Web Conferencing, Live Demo
[Crystal-Clear Imaging and Smooth Video Streaming] 8 Megapixel ultra-high definition SONY camera captures live images at up to 3264 x 2448 pixels with lag-free video streaming at 30 fps across all resolutions.
[Your Space-Saving Multi-Joint Camera] Experience the durability of our multi-joint design while enjoying a generous viewing size of 15.74 x 11.81 inches. This compact camera is perfect for your desktop setup!
[Enhanced Imaging in Challenging Lighting Conditions] Supplemental LED light with automated exposure control and bundled anti-glare sheet eliminates exposure problems under difficult lighting conditions. The auto-focus lens quickly shifts focus between objects, and the macro feature captures objects as close as 10 cm, producing crisp images in both dark and bright environments.
[Feature-Packed INSWAN Documate Software] The bundled full-function INSWAN Documate software offers digital zoom, image annotation, hue adjustment, image rotation, video recording, snapshots, and other useful features. Download the latest version for free and access tutorial videos!
[Plug-n-Play & High Compatibility for Effortless Conferencing] The INS-1 comes with a USB-A cable for instant plug-and-play operation, making it ideal for distance education and web conferencing. The built-in microphone seamlessly works with Documate (our bundled application) and other webinar software on PC (Windows 7/8/10/11), Mac (OS10.12 or higher), and Chromebook (38.00 or higher).
INSWAN INS-1 USB Document Camera — 8MP Ultra HD, Auto Focus, LED Light, Built-in
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