1Using safe ABS and PC materials, it is non?toxic, harmless and environmentally friendly, and children can safely touch and play with the star sky projection lamp. 2Built in 3 color LED, it has three colors of warm white, blue and pure white. You can choose unicolor or multi color according to your preference. 3360 dynamic rotation design, when it removes the inner membrane, it is in desk lamp mode, and when it is put back on the film, it is in projection mode. The 12 sets of films equipped can cultivate children's imagination and creativity. 4Built in battery design, it can use the built in battery to supply power after being fully charged, and it can also be used when there is no power supply, which is very convenient. 5It is not only a small night light in the bedroom, but also an ideal decoration for birthdays, parties, holiday celebrations, etc. It is an ideal gift for children and adults.