This globe is a 2-in-1 globe that can be used in a bright room, and when the room is darkened it becomes a celestial globe. Adopts a "Administrative Map" color coded by countries, and it can also be used with relief. Darkening the room and the celestial globe will come up with 100 stars, nebulas and zodiac signs, creating a magical mood. Recommended not only for learning but also for interior decoration. Power supply: 3 AA batteries (sold separately); Battery life: Approx. 35 hours (when turned on and off repeatedly); Product size: W 7.9 x D 8.7 x H 11.0 inches (200 x 220 x 280 mm); Weight: 16.5 oz (470 g).