Seagate external harddisk 4 TB

• Reliable Wireless Connection : Enjoy a wireless connection up to 10m away thanks to a plug-and-forget USB mini-receiver
• Optical Tracking : The advanced optical tracking features enable ultra precise moves on almost any surface. Required: available USB port, Windows 7, 8, 10 or later, macOS 10.5 or later, Chrome OS, Linux Kernel 2.6+
• 12-Month Battery Life : Don’t worry about constant battery changes as this wired Logitech mouse has a 12-month battery life.
• Quality Assured : Logitech are experts you can trust, and for more than 30 years we have created high-quality corded, cordless and Bluetooth products that help you get the most out of your Windows computer, laptop, Mac or Macbook
• Reliable Wireless Connection : Enjoy a wireless connection up to 10m away thanks to a plug-and-forget USB mini-receiver
• Note : In case of Wireless mouse, the USB receiver will be provided inside or along with the mouse
• Optical Tracking : The advanced optical tracking features enable ultra precise moves on almost any surface.

• With this 4 Port VGA Switch you can make that 4 computers share 1 monitor, projector. Conversely, make 4 monitors share 1 computer, projector but not simultaneously. Convenient to switch--just press the relative button. No additional software and external power supply needed
• Input with PC/Notebook,Output with projector/LCD/TV. This VGA switch may be used in security setups where monitoring different areas of a building is required and switching between multiple inputs is a necessity, for presentations, classrooms, control center, remote monitoring and training facilities
• Input/output channel switching mode: Panel switch(A/B/C/D Manual Switch),Type: 4 In 1 Out VAG Ports,Interface: VGA Female Ports,Resolution: up to 1920 x 1440,Main Color: Black,Net Weight: 255g,Size: 11. 2 x 7. 3 x 2. 5cm/4. 4" x 2. 9" x 1. 0" (L*W*H)
• Supports VGA resolutions up to full HD 1920x1080 and WUXGA 1920x1440,Enables multiple PCs/laptops (or other VGA sources) to share one VGA monitor or projector,SPECIAL FEATURE: Enable multi computers to share one monitor, projector or, conversely, make two monitors, projectors to share one computers not simultaneously. Fully shielded metal casing and easy to use push buttons,Auto-detect display DDC information for the optimal resolution,No External Power Supply Needed
• A VGA switch may be used in security setups where monitoring different areas of a building is required and switching between multiple inputs is a necessity

DisplayPort to DisplayPort cable transmits HD audio and video from computer to display, Cable supports 4K@60Hz, 2K@165Hz, 2K@144Hz Video. Ideal for video streaming, gaming, or extending a workstation. Please check resolution before connection for proper output Gold-plated connectors, bare copper conductors, and foil-and-braid shielding for reliable connectivity Compliant to version 1.2 specs, works with DP, DP++, and DisplayPort++ supports video resolutions up to 4Kx2K, VESA certified Measures 3 feet (0.91 meters) Warranty : 1 Year Limited Warranty

• USB to RS-232 DB9 Serial Adapter, Super Quality Genuine & packed
• A versatile connectivity solution that bridges legacy serial peripheral devices with newer USB-capable computers, the USB to Serial adapter offers broad operating system compatibility including Windows, Linux and Mac OS, for easy integration into mixed environments.
• USB to RS232 Serial DB9 Adapter Cable - Add an RS-232 Serial Port to Your Laptop or Desktop Computer Through USB (Mac OS 10.11/Linux etc.)
• Standard USB Type A Male to standard 9-pin DB9 RS-232 serial connector, Allows any PC to connect serial devices and programs that communicate through COM ports
• OS Supported: Mac OS X LT Capitan / Linux / Andorid [Not compatible with ARM-based Windows (MS Surface)]