1. 16 In 1 Out KVM Switch: 16 computers/laptops/DVRs/NVRs sharing one set of keyboard & mouse, 1 monitor and 1 USB 2.0 peripheral device. With 16 kit cables, with 1 pair rack mount hook. 2. Monitor Switch for Multiple Computers: Certified HDMI Adopter: we are certified HDMI adopter over 10 years. Excellent image processing and transmission capacity, make the output signal more smoothly and steady. Resolution Compatible 3840x2160@30Hz, 3840x1620@30Hz, 3440x1440@30Hz, 3840x1080@30Hz, 3200x1800@30Hz, 2560x1440@30Hz, 2048x1536@30Hz, 2048x1280@30Hz, 2048x1080@30Hz, 1920x1200@30Hz, 1920x1080@30Hz, etc. 3. HDMI KVM Switch 16 Port: Four switching way optional: Hotkey switching(Num Lock + Num Lock + 1 / 2 / 3 ... + Enter, or Ctrl + Ctrl + 1 / 2 /3 ... + Enter, or Scroll Lock+ Scroll Lock+1 / 2 / 3 ... + Enter), mouse switching (click mouse wheel 2 times + left button / right button), manual button switching, wired remote push button switching. 4. 16 Port KVM for Mac: Support Apple keyboard(Hot Key is changeable), wireless/wired keyboard & mouse, unify keyboard, touch screen, OLED screen, etc. Drive-free for Windows 10/7/2000/XP/Vista, Linux, Mac, Debian, Ubuntu, Fedora, Raspberry Pi and Ubuntu. 5. 4K KVM USB: Support auto detection, auto scan, waking up, with memory function in case of power-down. It can switch by mouse or keyboard independently, even it without USB signal input, such as Apple TV, Android TV box, etc. And it can enter into BIOS interface directly.