Alarm Controls 1200 Pound Double Magnetic Lock

U.L. listed, listing number R16756 1200 pound minimum holding force, each lock Magnet size 21" L x 2-7/8" H x 1-1/2" W Armature size 7-1/2" L x 2-3/8" W x 5/8" D each 12 OR 24 volt DC operation, jumper selectable