Apem Standard Membrane Keypads - APEM AC3535, The Apem 4 x 4 Standard Membrane Keypad with Insert Pockets is a high quality matrix keypad with 16 pressure pads that have only outlines and symbols printed on a flat, flexible surface.
The clear windows have a silver perimeter embossing a silver unembossed border on a black background, while four inserts with black graphics on a silver background are also supplied.
APEM AC3535 AC3535 Standard Membrane Keypad 4x4 with Insert Pockets