Description: Made up of metal shell, durable and solid for use. Four HDMI-compatible sinks with stereo audio output, using four HDMI-compatible sources. It is suitable for a variety of industries, such as securities market, education and so on. Practical design: The switcher supports key switch and hot key switch, which will meet your needs. Applicable occasions: Home video / game / projection / notebook / set-top box / computer. This is a KVM switcher to share your monitor, mouse and keyboard. Our devices offers solutions for noise, space and security concerns, data center control, information distribution, conference room presentation, school and corporate training environments. Specifications: Product name: Switcher Color: Black Material: Metal Size: About 120 x 82 x 39mm(L*W*H) Package Included: 1PC * Switcher Note: Transition: 1cm=10mm=0.39inch 1. Due to the light and screen difference, the items color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.