Measures 11.75" in length and 8.25" in width85 letters and Symbols included for you to easily slide into the box to create words and sayingsBattery operated or USB powered (USB cord included), 6 x AA required (not included)Made from plastic, light in weightWall mountable or can sit on any flat surfaced countertopCreate your own message! our marquee letter light box gives you the opportunity to create a DIY a personal message. The marquee box features letters and numbers for you to assemble your message and display on your desk or shelving unit. It also has a light up feature, just to make sure no one misses your message when they enter the room.