uxcell DC 12V 4x4 Matrix 16 Key Membrane Switch Control Keypad Keyboard 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 : 75 x 67 x 1.3mm/ 2.9" x 2.6"x 0.05"(L*W*T);Cable Length : 70mm / 2.7" Connector Pitch : 2.3mm/ 0.09";Material : Plastic Weight : 8g;Package Content : 1 x Membrane Switch