Belkin 4-Port 2nd Gen Secure Dual-Head KVM WO/CAC PP4.0 Switch - F1DN204KVM-UNN4

It's an open box. I had several and opened one to check inside. This has not been put out after opening. Universal 2nd Gen Secure KVM Switch, 4-Port Dual Head No CAC • Designed for NIAP Protection Profile PSD 4.0 Compliance • Combo connector video support for up to 4K resolution (3840x2160) at 60Hz refresh rate • Compatible with the Belkin Secure KVM Remote Control with Integrated Keyboard (optional accessory) • Customizable port coloring and naming on the front panel: Enhances port identification and reduces user switching errors. Color coding is mirrored on the Belkin KVM Remote Control with Integrated Keyboard • Extrusion form factor supports optional under-counter mounting • Supports TAA-compliant combo and video cables for streamlined deployment • Connects up to four host computers • Supports dual-display configurations for end-users • Dedicated processors with emulators for each port: Ensures isolated data paths for video, audio, and peripherals, preventing cross-computer data leaks • Unidirectional data paths: Optical data diodes block reverse data flow, securing peripherals from misuse • Display security: Protected display interfaces mitigate data leakage via monitors • Analog audio via 3.5mm jack with integrated ultrasonic filtering • Peripheral management: Advanced USB device detection prevents unauthorized peripheral access • Active anti-tampering and secure labeling: Holographic tamper-evident labels offer visual assurance