Features: 1. Accompany them into a sweet sleep or a beautiful afternoon, and enjoy their happy time. Kids can also listen to songs and cultivate musical perception. 2. The picture ratio is 1:1, that is, when the projection is 1 meter away from the wall, the picture diameter is 1 meter. The focal length is adjustable, and the large imaging design allows children to have an immersive experience. 3. The projector adopts low brightness diffuse reflection imaging, with soft light perception. No blue light, and safe to eyes. 4. It would be a wonderful and interesting way to help develop children39;s abilities. It is also an excellent option for a happy family time and many entertaining moments. 5. Perfect for any occasions, such as party, birthday, educational purposes, rewards, gifts, is the best choice for sending children. Notice: Actual color may be slightly different from the image due to different monitor and light effect. Please allow 1-3cm deviation due to manual measurement. Description: Material: ABS Battery capacity: 1800mAh Fully charged: 3hour Product size: 10.35*8*4.2cm Rated voltage: DC5V Rated current: 1A Rated power: 2W ColorStyle: As the picture shown Package List: 1 x Projector with Sliders 1 x Charging Cable