Dimensions: 31 x 21 x 9mm

Mounting holes: 3mm

Pitch: 15mm

LED colors: red， yellow， green， blue， white each one

Brightness: Normal

Voltage: 5V

Output: Digital level

Interface: Arduino 3P Interface S V G

Platform: Arduino， MCU

After pressing the button， the internal LED lights， LED goes out after release.

Package included:

5 x Electronic Building Blocks LED Light Trigger Key Module For Arduino