we present the Video Conferencing System Logitech 991-000422 Graphite The Logitech 991-000422 is an advanced video conferencing system designed to deliver high-quality visual and audio experiences in professional environments. It features a built-in camera with 4K Ultra HD resolution, capable of streaming sharp and detailed video supporting multiple formats from 576p up to 2160p, reaching a maximum frame rate of 30 fps. Its 5x optical zoom combined with 3x digital zoom allows precise focusing for dynamic meetings and presentations, ensuring clear images even at a distance. For connectivity, it offers multiple options including HDMI with a dedicated input, USB-C, and Ethernet LAN (RJ45), ensuring flexible and reliable integration with various corporate systems and networks. It integrates speakers and an omnidirectional microphone, providing clear audio and 360-degree sound capture, ideal for picking up voices from all participants without loss or interference. Its 10.1-inch (25.6 cm) IPS touchscreen displays images with good definition, thanks to a 1280 x 800 pixel resolution, facilitating direct call management and settings via an intuitive interface. The graphite color design offers a professional, modern finish that fits any meeting room. Additionally, it includes an installation guide to ease device setup. Its compatibility with ethernet and wifi connections provides stability and options depending on available infrastructure. This system stands as a robust and versatile solution to enhance audiovisual communication in corporate settings demanding superior image quality, surround sound, and integrated ease of use. Connections: Ethernet LANRJ45USB-CHDMI x 2HDMIHDMI x 3USB x 3HDMI x 1HDMI 1.4USB-C 3.2 Gen 1 (3.1 Gen 1)USB-A 3.2Technology: IPSCapacitiveType: Video Conferencing SystemResolution (px): 1280 x 800 px3840 x 2160 pxColour: GraphiteScreen: 10,1"Voltage: 100-240 V19 V100 - 240 VResolution: 4K Ultra HDConnectivity: Wi-FiBluetoothCharacteristics: TouchscreenBuilt-in speakersIntegrated speakersOmnidirectional microphoneInstallation guide includedMovement SensorSelf-assembly Kit: YesPower supply: Alternating currentCCBattery capacity: 220 mAhShine: 400 cd/m²Type of plug: Type CCable length: 1,5 mContrast Ratio: 1000:1Number of batteries: 2Includes: Self-assembly KitRemote controlCameraInclination: -15º / +15ºSpeed: 10/100/1000 MbpsOptical zoom: x 5Not included: Adapter ACLuminous flux: 400 lmApprox. temperature: -40º / 70ºBattery: 220 mAhAccuracy (relative humidity): 10 % - 95 %Battery type: Rechargeable lithium battery