Apply to the securities market, office, remote education, multimedia education, tutorials, central control computer multimedia demostration and other industries. Product features: 1: Shown on the monitor or projector 2 VGA signal source(2 IN 1 OUT). 2: Shown on the monitor or projector 1 VGA signal source(1 IN 2 OUT). 3: Mechanical buttons, easy switching signal source, high reliability and durability. 4: Easy to install - without having to install any software. 5: Long distance transmisstion, can be up to 10 meters, at the farthest. 6: Support VGA, XGA, SVGA, UXGA and multisync monitors. Don't support DDC, DDC2, DDC2B. Specifications: Input interface: 1 road 15 HDF VGA interface input Output interface: 2 road VGA15HDF output interface Input level: 0.5-1Vp-p Output impedance: 75 Ω Line synchronous channels: 0.7 5 vp - p input level Support the resolution: 2048 * 1536 Switch: switch panel buttons Shell: ABS plastic Product size: 124*75*24mm Product weight: 70 Grams Package Content: 1 * VGA Switch