Mistronics atmosphere lamp roof starry projector lamp，Just need a USB interface, No Need to Install, then you will get a Romantic Galaxy Star Night Specification * Product Material: aluminum alloy USB plug * Scope of application: all car, family atmosphere * Item Size:6.7 x 3.7 x 0.5 inches * Item Weight: 1.28 ounces * Work temperature: -40~ +105°C * Service life: 50000 hours * Size: 3.9 x 3.9 x 0.8 in / 10 x 10 x 2 cm Package includes: USB car ceiling light x 1