Membrane 4x4 Matrix calculator (OT2034-B114)

Membrane keyboard with calculator buttons.Key colors: Light blue, yellow, light green and red.Keys: 1,2,3,4,5,6,7,8,9,0,.,=,+,-,X,/ (addition, subtraction, multiplication and division) DimensionsLength: 7.6cmWidth: 6.9cmHeight: 0.01cm