1、Made of ABS and PC materials, it is non toxic, harmless, , and reliable, and can rest assured to touch and play with the star sky projection lamp. 2、360° dynamic rotation design, it is in table lamp mode when the inner membrane is removed, and in projection mode when it is put back on the film. The 12 sets of films equipped can also cultivate 's imagination and creativity. 3、Adjustable 3 colors, its LED lights have three colors of warm white, blue and pure white. You can choose single color or multi color according to your own preferences or the current situation. 4、Built in battery design, it has a built in 1200mAh lithium battery, which can be powered by the built in battery after being fully charged, and it can also be used when there is no power supply, which is very convenient. 5、Built in music function, it can play music at the same time as the projection, which can give you a romantic feeling while projection, so that you can sleep well at night.