Plug- in-Card membrane switch, It will design colorless transparent window in the graphic overlay, the bottom of graphic owerlay is isolated, then it is ok to plug in the cards from the card slots in the edge side. The membrane switch is the main body, the cards can be designed in various ways, and the cards can be replaced according to actual use, which can be more flexible used. This type of membrane switch is mainly suitable for supermarket electronic weighing devices. In this kind, the Membrane switches can be used repeatedly. Only the graphics and text of the card need to be changed. JRPanel designs key content, color, effect, etc. according to customer needs, The Plug-in-Card Membrane Switch can only change the design of the cards in the future, it can be used more widely.