Here you go:
Device Handler: [RELEASE] Fibaro Dimmer 2 (FGD-212) - Advanced DTH (V2)
Wiring details: (Make sure of the model) http://www.vesternet.com/resources/application-notes/apnt-1#.WRCgctJ94dU
It is possible (as you’ll see in the link) to use the dimmer without a Neutral wire.