Arduino Uno, Arduino Mega compatible shield.
2 DPDT mechanical relays.
ULN2003 IC is to drive relays.
See product description for all features

Technical Details

Product Details

Package Dimensions
Width : 3.1 inch
Height : 1 inch
Length : 4.8 inch

Shipping Weight: 1.6 ounce (View shipping rates and policies)

ASIN : B00NXK5YZ0