Remind your customers who to call when their high water alarm sounds with a custom overlay. Overlays are made with your companies logo and contact details in two colors. We have the artwork and layout done for your approval and we purchase and stock a quantity of 100 overlays. Each time you order product, we ship it to you at the regular price, fully assembled with your customized overlays on the face. Sump Alarm has standardized on Enclosures and overlays. The 1L overlay will likely meet the vast majority of your needs.