This projector lamp produces a beautiful light effect that looks like the night sky and provides a relaxing, soothing atmosphere. Features: 2 switches control the lights, one controls the pure yellow light in the middle, and the other controls 3 colored lights, which are red, blue, red and green flashing - Create a pleasant and relaxing bedtime for kids - Displays an amazing display of sky stars on the ceiling of the bedroom - Works best in dark rooms - Ideal gift for son and daughter - Two power supply modes, 3 AA batteries or USB charging(both not include) Specifications: Material: ABSColor: Black - Size: 11 × 11.5 × 14cm - Power Supply: 3 AA batteries or USB charging(both not included) Package contents: 1 x Projector Lamp