Koolatron Add-A-Plug Outlet Multiplier Ideal for use with: Lentek's PestContro products, night lights, battery chargers, Carbon Monoxide detectors, emergency flashlights, oversized adapters Great for use in various places A handy outlet multiplier designed for direct plug-in devices that normally block out the entire wall plate, making it possible to plug into additional plugs into a single outlet. Now you can plug your direct plug in device into Add-a-Plug while still having access to the other plugs, plus we give you two more outlets on the side.