Overview: 1. A variety of nebula effects are displayed, the speed and brightness of the nebula are adjustable. 2. The brightness and speed of the stars are adjustable 3. Nebula and Starlight can be used at the same time or separately 4. Two timing modes: 40min, 90min 5. The projection angle can be adjusted at will, easy to use 6. Can be used as a projection lamp, but also as a high-end ornament
