Lake Michigan Beach Glass Shadowbox Plugin Nightlight with on/off switch, Great Lakes Our Lake Michigan Plugin Nightlight Beach Glass Displays allow you to show off your sea glass collection with a soft white glow. The face of these night lights measures 4 inches tall by 3 inches wide. The night light base fits a standard 110v outlet and has an on/off switch for easy control. The included lightbulb is a 7w incandescent candelabra bulb. You fill the nightlight display from the top where we've included a .75in x .5in slot. This will fit most small beach glass pieces and agate chips. Beach Glass not included. All 5 great lakes are available: Lake Superior, Lake Michigan, Lake Huron, Lake Erie, and Lake Ontario. Check out our other listings for the rest of the lakes. The design features an engraved outline of the lake along with major islands. We've taken a minimalist approach to allow your glass to shine through.