What s different about the moon tonight It s inside your room This authentically detailed model of the moon hangs on your wall & shines moon light just like the real moon The twelve different phase settings let you match what the real moon looks like outside You can also listen to the audio CD to learn exciting facts about the moon & its unique relationship with the Earth A built in light sensor illuminates the moon when it gets dark & then you can set the phase you want by using the remote control The RC allows for manual function or automatic mode for viewing the moon s phases There is also an auto shut-off mechanism to preserve battery life It is really easy to set up & no mains electrics are required