4 * 4 Matrix Keyboard 16 Key Membrane Switch Array Keypad For Arduino<br><br>Product Description<br>4*4 membrane keyboard matrix keyboard microcontroller external keyboard film keyboard<br>8P DuPont head  spacing 2.54mm  can be inserted in the pin connecting circuit; keyboard to remove white sticker firmly pasted on the surface of the case<br><br><img src="//gdetail.image-gmkt.com/030/717423496/2016/4/c0bfbff9-e864-4156-9a9a-e13bc9ac5a1b.jpg"  width="800" height="748" onerror="this.src='http://gdetail.image-gmkt.com/030/717423496/2016/4/c0bfbff9-e864-4156-9a9a-e13bc9ac5a1b.jpg'; $(this).attr('onerror'，'');" ><img src="//gdetail.image-gmkt.com/030/717423496/2016/4/0f8f9877-c4d9-452d-97fe-0adad524258e.jpg"  onerror="this.src='http://gdetail.image-gmkt.com/030/717423496/2016/4/0f8f9877-c4d9-452d-97fe-0adad524258e.jpg'; $(this).attr('onerror'，'');" ><br><img src="//gdetail.image-gmkt.com/030/717423496/2016/4/a06d668e-bec2-4773-bd10-8cd0aaee2af8.jpg"  onerror="this.src='http://gdetail.image-gmkt.com/030/717423496/2016/4/a06d668e-bec2-4773-bd10-8cd0aaee2af8.jpg'; $(this).attr('onerror'，'');" ><br><br><br><br>Packaging Details<br>Unit Type: piece Package Weight: 0.050kg (0.11lb.) Package Size: 15cm x 14cm x 13cm (5.91in x 5.51in x 5.12in)