Membrane Keypad 16 Key (Matrix 4x4)

From the shop's description

Membrane (Flexible) Keypad, 4x4 key matrix Pad Size: 77 x 70 x 0.8mm Cable Length: 3-1/3″ or 85mm Weight: 9g Connector: Dupont 8 pins, 0.1″ (2.54mm) Pitch Mount Style: Self-Adherence Max. Circuit Rating: 35VDC, 100mA Insulation Spec.: 100M Ohm, 100V Operation Temperature: -20 to +40 °C For how to use the keypad with arduino and code, please click here