?High Quality? Projection lamp shade made of PVC, body made of environmental ABS, high quality IC dimming led chip can use for more than 1 year. This moon sky light can project up 15ft, 250 square feet of house can be seen the clear pattern. Lights can be adjusted freely and the light is eye-protection design, super soft for baby children to look at. ?Quiet & Relaxing? This night lighting get you closer to the starry, create a warm and peaceful starry atmosphere in your child's room, there are very little noise (less than 30dB). So you and your baby can enjoy the relaxing starlight in a quiet environment. It also can help parents coax the baby fall into a deep sleep quickly. ?Two Modes? This starry sky projection mode can project a complete starry sky onto the walls and ceiling of your room. With outer cover that projection mode can be changed to night light mode. Star Light Projector not only helps to develop kids imagination and creativity about starry, but also create a romantic atmosphere to family. ?Safety 2 Power Supply? This star projector night light is easy to use, powered by USB cable or 4* AAA batteries(batteries not include). Light Rotating Projector is so humane and you don't worry about the sudden power outage, quite convenient for travel. Please note that USB cable and batteries can not be used at the same time. ?Best Gifts? Star night lamp is a great gifts to kids, friends and family. This is not just a bedroom night light, but also a great decor for weddings, birthday parties or festival celebration.