Note: Dear buyer, The actual blue light effect is a bit purple, you can check the pictures and videos to see the effect. Thank you!Romantic LED Starry Sky Night Light 5V USB Powered Galaxy Star Projector Lamp for Car Roof Home Room Ceiling Decor Plug and PlayFeatures:1. A variety of Starlight densities can be adjusted: the car star lights can be rotated to adjust the lighting style, the light source is stable. 2. 360 degree rotation + USB interface: Lightweight and flexible, it can be adjusted from multiple angles. Portable, easy to install. 3. The bright Starry effect creates a romantic atmospheres for your car roof or house, and can also be used to decorate birthdays or holiday parties. 4. This star projector lamp can be used as a special gift for friends or children. 5. The fun roof USB light can be used as a night light, room decoration, car decoration, usb night light power supply, charging via USB interface.Specifications:Name: Starry Sky Light Light Color: Red / Bluish Violet / Green Material: Plastic, Metal Power Source: 5V USB Light Source: LED Laser Number of Lights: 1 Voltage: 5V Wattage: 0.15W Ampere: 0.2A Waterproof Level: IPX4 Work Temp.: -20~70 Weight: 40g Size: 7.8*0.6*0.4in Lifespan: 10000hrsPackage:1 x Starry Sky Light