Specification: Material: ABS Engineering Plastics Color: White Projection Light Source: LED light source Battery Capacity: Rechargeable Lithium Battery 2000m - Ah USB Cable Length: 1m Maximum Power: 7.5W Output: DC5V/2A Projection Coverage: 161-215 Sq. - Ft(15-20) Projection Area: 20-80Square Meter Working temperature: -20 ~ 50 Storage temperature: -20 ~ 60 ; Description: - No Noisy. The night light projection projects realistic water patterns, moon and stars onto the ceiling of the room, and fills your room with nebula and moonlight. Creating atmosphere and relieve sleep and stimulating children's interest in astronomy. - 4 touch keys make it easier to use by adult and children. The latest voice control mode, the star projection in the music environment, can twinkle to the beat of music, or you can control it by clapping hands, which can create a party atmosphere for you. - The 2200m - Ah rechargeable battery can be convenient for you to place anywhere and bring you a long time projection after being fully charged. with rechargeable battery, it is more environmentally friendly and durable than other star projector. - 6 color mixture automatic conversion. Lifelike nebulae with projector automatically change according to music rhythm, bring you and your family a soft and relaxing bedtime experience, and create a romantic atmosphere in bedrooms, game rooms and home theatre. - Gentle water wave can guide you to sleep well; dream of stars and moon projection can make fun for children , accompany children to sleep; 3 projections combined can create a romantic atmosphere for you. - Three angles of the base options are available to meet your needs in any indoor places. ; Features: Voice Control LED Lights Twinkle according to the music beat or by clapping your hand. You can enjoy the party time in your house with friends and family any time Easy to Use Adjustable Angle Projector Lights Touch Control Night Lights 4 touch keys, easy to control Package Included: 1 x Three In One Star Light 1 x USB cable 1 x User manual