【Enchanting Starry Sky Projection】Instantly experience the cosmos below with our USB-powered starry sky projector. One of 13 fantastic film discs is pre-installed, allowing you to enjoy breathtaking projection effects right out of the box – no batteries needed! 【Planetarium Starry Sky Projector】Immerse yourself in a starry sky with 12 planet discs. This starry sky projector can project onto walls and ceilings, taking you to the heart of the vast universe. 【360° Rotation, Immersive Experience】Fine-tune the image with the top dial and customize your experience by rotating the film discs. Perfect for bedrooms, parties, and festive celebrations. 【Automatic Sleep Timer for Relaxation】Set a 1-hour or 2-hour timer, with the default setting to automatically turn off after 4 hours, allowing you to enjoy a peaceful sleep. Enjoy ambient lighting in your bedroom to enhance your relaxation experience.