Smart app and voice control: Simply set the desired light effect via the app. This starry sky lamp with Alexa, Google Assistant, just give voice commands, no manual operation needed. When using the app and voice commands, all devices must be on the same Wi-Fi network (only 2.4 GHz Wi-Fi network is supported). Vivid colors and 3 in 1: Realistic galaxy projector: water patterns, stars and moon together on the ceiling of the room. You can choose from a variety of water wave colors, you can change the color, brightness and saturation of the projection lamp, and even customize multiple scenes to create a romantic atmosphere. Machine everything -in-one standard and smart: In different life scenes, you can change the planetarium projector color through the mobile app to get the effect you are satisfied with. If your child wants to operate manually, of course it is a very simple 4-key touch, more fun for you and your child, and also arouse your child's interest in astronomy. Voice Mode and Timing: Children's night light you can activate the mode with the simplest voice, the beautiful twinkling mist and the wave light change with the rhythm of the music, which is very suitable for parties, children's rooms and birthdays, parties. weddings etc to create an atmosphere, and you can also Customize the automatic time change of the product. Best gifts for family and friends: This is a super cool gift option, with a sky full of mist and colorful light effects, the perfect kid's projector for Christmas, birthday, Thanksgiving or Halloween party decorations.