Grove Latching Relay Case

This is a case for the "Grove Latching Relay"
This relay activates with a rising or lowering pulse that is sent to it. The relay takes up no power when it is in the latched state.
Here is the link to the Wiki information page:
http://wiki.seeedstudio.com/wiki/Grove_-_2-Coil_Latching_Relay
Here is a link for information on more Grove modules:
http://wiki.seeedstudio.com/wiki/Grove_System