4x4 Matrix Numeric Keypad, 16 buttons, 0-9 and A-D

This high-quality 4x4 keypad matrix lets you quickly add controls to your electronics projects. It offers 0-9 numerals, A-D letters, and standard star (*) and hash (#) symbols. 

Features: 

16 Button Matrix
0-9 # * A-D
Excellent price-performance ratio 
Easy communication with any microcontroller