This is a basic application module. You can simply plug it into an IO shield to have your first taste for Arduino.

Features:
Wide voltage range from 3.3V to 5V.
Icons illustrate sensor function clearly.
High quality connector and immersion gold surface.
Easy to 'plug and operate'.
Large button keypad and high-quality first-class cap.
Can achieve interesting and interactive work.
Standard assembling structure (two 3mm diameter holes with multiple of 5mm as distance from center).
Easily recognizable interfaces of sensors ("A" for analog and "D" for digital).

Specifications:
Brand: Keyestudio
Model: Digital Push Button
Material: FR4
Color: Black + Yellow
Supply Voltage: 3.3V ～ 5V
Interface: Digital
Application：For Arduino study and application
Item Size: 3.4 * 2 * 1.6cm / 1.3 * 0.8 * 0.6in
Package Size: 6 * 5 * 1.8cm / 2.4 * 2.0 * 0.7in
Package Weight: Approx. 5g / 0.18oz

Package List:
1 * Digital Push Button Module