4 x 5 Matrix 20 Key Membrane Switch Keypad Keyboard 85 x 73 x 0.8mm Product Name : Membrane Switch;Key Type : 4x4;Voltage : DC 12V Current : 30mA;Contact Resistance : &gt;=100 Ohm;Force : 250-350g Contact Bounce : &gt;1s;Pad Size : 85 x 73 x 0.8mm/ 3.3'' x 2.87'' x 0.03''(L*W*T);Cbale Length : 103mm/ 4'' Connector Pitch : 2.54mm/ 0.1'';Material : Plastic Weight : 8g;Package Content : 1 x Membrane Switch