The Light Up Door Hanger is the perfect way to get the message across in your personal space! Whether you're studying, napping, or need some personal space - write your message, light it up and hang it on the door. The door hanger features an LED light with an easy-wipe dry erase surface. Also great for parents, roommates, and siblings to leave messages for each other. Black dry erase pen included. Requires 2 AAA batteries (not included). It comes packaged inside a hanging box.