This is one device of HDMl 2 ports bi-direction manual switcher.It can easily switch two routes of HD source to any HD display or projector.Also it can distribute one HD source to two HD display or projector.Our devices offer solutions for noise, space and security concerns, data center control, information distribution, conference room presentation, school and corporate training environments.Easy installation and operation.Specifications Item Name: HDMl HD Video Two-way Switcher Material: Metal Input DDC Signal: 5 Volts P-P (TTL) Maximum Single Link Range:HDMl 3840x2160 @ 24Hz/30Hz(MAX) HDMl Standard: V1.0, V1.1, V1.2, V1.3, V1.4 HDMl Resolution: 480p, 576p, 720p, 1080p, 4Kx2K Operating Temperature: 0 to 70 Degree Celsius Operating Humidity: 10% to 85 % RH (No Condensation) Storage Temperature: -10 to 80 Degree Celsius Storage Humidity: 5% to 90 % RH (No Condensation) External Power Supply: No Power Needed Power Consumption: 5W (Max) Features: One-key Design, Two Way Switching, Wear-resistant, Good Heat Dissipation Size: 52mm x 49mm x 20mm/2.05" x 1.93" x 0.79" (Approx.)