A screen duplicator

Abstract

The utility model discloses a novel same screen device with regulating switch, is connected with setting regulating switch on the control circuit board of same screen device, the knob portion protrudes from the outer surface of host computer of regulating switch, regulating switch with control circuit board electric connection, control circuit board will the electric signal transmission of regulating switch to electronic terminal for controlling and adjusting the camera assembly of electronic terminal. In this way, when the user takes a self -photograph through same screen device, can adjust the focal length of the camera assembly of electronic terminal with regulating switch, for example, realizes the increase or reduction of focal length through the up or down dialing knob switch, or through the press switch of two "+" and "-", can conveniently take the photo of higher quality or better and more convenient video production.

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