2706-B21C31 2706-B21C8 2706-B21J16 Membrane Keyboard Keypad. It is brand new and good quality with a  year warranty.
                                
                                
                                    2706-B21C31 2706-B21C8 2706-B21J16 Membrane Keyboard Keypad Repair
2706-B21C31 2706-B21C8 2706-B21J16 Membrane Keyboard Material: Polyester or Polycarbonate. 2706-B21C31 2706-B21C8 2706-B21J16 Keypad Membrane Artwork Format: CorelDraw; Adobe Illustrator AI or EPS, AutoCAD Dwg or DXF.  2706-B21C31 2706-B21C8 2706-B21J16 Membrane Keypad Actuation Force: Depend on customer's requirement, Normally between 30-600 grams. 2706-B21C31 2706-B21C8 2706-B21J16 Operator Panel Keypad Conductive Trace: Silver or Copper. 2706-B21C31 2706-B21C8 2706-B21J16 Touch Screen Keypad Travel: Depend on customer's requirement, Normally between 0.010" - 0.020". 2706-B21C31 2706-B21C8 2706-B21J16 Membrane Switch Life Cycle: 5 Million Cycles(up to). 
Product Specification:
 Size :   inch;
    Shipping : 2~3 Workdays 
Warranty : 180 Days 
Contact Bounce : <10ms 
Linearity : 1.5%(<1.0% by Request) 
Life Expectancy : > 35 million touch on single point 
    Our advantage:
 1.All product are new and original packaging.
   2.click on the precise, easy use.
   3.reflecting the sensitive.
   4.OEM is available.