This 2 gallon automatic water trough connects to your garden hose with the included adaptor.  It contains an automatic float valve which causes water to fill to the appropriate level then automatically shut off.  The protective cover over the float valve lifts for easy cleaning.  This waterer is designed for approximately 100 adult birds.

Dimensions: 30 inches long, 8 inches wide and 9 inches tall.

Note: The float valve requires some manual adjustment when you first begin to use the waterer.