Impedance: 75 ?, Max. Distance: 1.8 m, Impedance: 75 ?, Max. Distance: 10 m, Max. Bandwidth: 150 MHz, Max. Resolution: Up to 1920 x 1440, Max. Distance: Up to 10 m, Power: 1 x DC Jack, Housing: Plastic / Metal, Weight: 0.15 kg ( 0.33 lb ), Carton Lot: 20 pcs. The VS291 is a video switch with 2 ports. It allows 2 independent computers to display their video outputs on a single monitor. Therefore, users will not need to buy monitors for each computer additionally.