8007 relay base alarm controls corp size: 1.75 x 2.75 inches two four position terminal blocks red led indicates when relay is energized current draw for led is 10 ma. size with relay installed is 2.25 x 3 x 1.75 inches relay socket accepts models 8006, 8012 and 8024 relay double sided foam tape is supplied for fastening relay bas 604840680073 ac-8007, hes-8007 the alarm-controls-8007 is a dc relay base. The unit's relay socket accepts the 8006 6v dpdt relay, 8012 12v relay and 8024 24v relay. The base is equipped with a red led that indicates when the relay is energized. Size: 1-3/4" x 2-3/4" Size with relay installed: 2-1/4" h x 3" l x 1-3/4" w Current draw 10ma for led