Features: 1. Multifunction. Open the shell, change the projection light in a second, and create the most romantic scene for you. a perfect gift for lover, friends, frmilies. 2. Two types of power supply. 4 x AAA batteries and USB power to switch, never have to worry about the electricity. Specifications: Light source type: LED star projector lamp Lamp cover material: plastic Dimensions: 14.5 x 13 x 13 cm / 5.71 x 5.12 x 5.12 in Switch type: button type Light source power: 3W Power supply: 4 x AAA batteries (not included) and USB power supply Light color: purple, pink, blue Main application scope: Baby Room Decor, Baby Night Lamp, corridor, leisure and entertainment place, hotel lobby, exhibition hall, hotel Application occasion: opening ceremony, birthday, award ceremony, business gift, advertising promotion, anniversary celebration, public relations planning, exhibition, festival, employee benefits, relocation