Mailbox Lite, Mailbox Light Mailbox Light, this is a kit to add a Solar light to your existing mailbox The Mailbox Lite is a solar powered led that shines inside the mailbox for hours Mailbox Lite Installation is simple and takes just a couple minutes Illuminates the interior of the mailbox with a led ran from a rechargeable solar battery. A Mailbox Light from Mailbox Lite makes life a little easier.