Video Resolution: KVM switch 2 Monitors 3 Computers up to resolution support up to 4K@60Hz, and is backward compatible with 4K@30Hz, 1440P@60Hz, and 1080P@60Hz. Brings you realistic visual enjoyment. Note: If you need to output 4K@60Hz resolution, please make sure your HDMI cable, computer and monitor support 4K@60Hz. It is recommended to use a good quality HDMI2.0 cable that supports high refresh rate
Specifications: Composite AV Switch 4 in 3 out - This 4 In 3 Out Composite Selector's 3 standards "Video, L-Audio-R", 4 in 3 out, If you own 3 TV Set but more than 1 audio and video device, this 4 Way (4 In 3 Out) Composite AV Switch is suitable for you,Not support Matrix mode.
Video:
Input Video Signal: 0.8-1.0 volts p-p
Input Impedance: 75Ohm
Output Video Signal: 0.8-1.0 volts p-p
Output Impedance: 75Ohm
Bandwidth: 50Hz-5.5MHz
Audio:
Input Audio Signal: 2V(RMS)
Input Impedance: 47kOhm
Output Video Signal: 2V(RMS)
Output Impedance: 1KOhm
Frequency: 10Hz-20KHz, 0db
Video Resolution: The HDMI Displayport KVM 3 port switch is capable of supporting Ultra HD resolution up to 8K@60Hz, and it is also backward compatible with 4K@144Hz, 4K@120Hz, and 1080P@240Hz.