54"/137cm-96"/244cm backlighted(6600_LARGE)6600_large Surface Mounted Canister Clock design available in 54 to 96 sizes. 48 and smaller sizes see Style 6600 Smaller. Completely weathertight ready to mount to the surface of a wall or recessed mounting. Back lighted illumination. UL Listed. Square see Style 3600. Shown with Type “MS-A hands and Type “RB markings. Available with any of our dial markings and hands, or ones of your own design. Larger or custom shapes available on special order.