Features
This high quality 4x4 Keypad Matrix lets you quickly add controls to your electronics projects. It offers 0-9 numerals, standard star(*) and hash(#) symbols, , A,B,C,D
An ideal input device for experimental electronics computer programming systems like Arduino, etc.
16 buttons matrix.
It offers 0-9 numerals, A-D letters, standard star(*) and hash(#) symbols, ,A,B,C,D
Excellent price-performance ratio.
Easy communication with any micro-controller.
The keypad matrix lets you quickly add controls to your electronics projects.
Fit for professional prototype, hobby or university electronics projects.

Specifications
Material: Plastic + PCB board
Design: 4x4 matrix(0-9, *, #, A,B,C,D )
Size: About 2.67x2.55"(16-key)
Main color: Black

Package Included:
1pcs 4x4 Matrix Array 16 Keys Switch Keypad Keyboard Module for MCU Arduino 4*4 USA