This is a New In box, LGB 5180 control box
This is an LGB 51750 Momentary Switch Control Box. This controller will control 4 LGB electric switches. These can be connected together with more 51750 switch controller boxes with the plugs and jacks on the sides of the boxes. designed work off of AC power, 16VAC - 22VAC
126 x 116 x 66 mm / 5“ x 4-9/16“ x 2-5/8“.