This USB light is great for Home, Car, Travel, Bedroom, or Party use. This you just plug into any USB and this thing shows beautiful red laser stars on your wall or ceiling. The unique design is great for Car, bedroom, camping, parties. or adding an interesting and romantic atmosphere to your Leisure living area. And the small size and lightweight takes a small space. The star projector night light can be powered instantly by the powered bank, car interior USB port, computer, etc, Just plug in a USB slot and done.