Bedroom projector: Built-in 2000mAh battery, one charge can support about 3 hours of wireless operation. Easy to charge via USB cable. Convenient for travel, outdoor camping and dating activities. Star projector: Collect stars, moons and nebulae together. Simple button controls allow you to easily cycle between lighting effects, adjust brightness or start/stop rotating motion. Designed with 4 placement angles, images can be projected onto the ceiling, walls and other surfaces. Meet the different needs of parties, sleep, dating, etc. Night light projector: Placing the undersea light in the children’s room can help stimulate their curiosity, imagination and creativity. It can also create a tranquil atmosphere for the story before going to bed and accompany your child to sleep. Star projector: This skylight projector is used for home decoration lights/dancing parties/birthday parties/Christmas/wedding/small performances/masked balls. Compared to string lights, it is much easier to use and store. specification Power supply: 7.5W Input power: 100-240V AC 50 / 60Hz 1.5A Battery capacity: 2000mAh Charging time: 3-4 hours What’s in the box? 1×Star projector 1×USB charging cable 1×User Manual notes 1. There is a USB charging cable and an adapter in the package. 2. The starry sky projector can be used during charging. 3. The starry sky projector will automatically shut down after being left for 4 hours.