1. 8 In 1 Out HMI Monitor Switch: 8 computers/laptops/DVRs/NVRs sharing one set of keyboard & mouse, 1 monitor and 1 USB 2.0 peripheral. With all input cables. Support Apple keyboard(Hot Key is changeable), wireless/wired keyboard & mouse, unify keyboard. Support touch screen, OLED screen, widescreen, etc. 2. KVM USB HDMI Switch: 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. 3. 8 Port USB KVM Switch: 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. KVM Switch USB HDMI Switch with USB: Max resolution up to 4Kx2K @30Hz. Compatible 3840x2160@30Hz and lower resolution. Drive-free for Windows 10/7/200