Usage Tips:Romantic Atmosphere: Bright starry sky creates a romantic atmosphere for your car roof or house, and can also be used to decorate birthdays or holiday parties. Multi-mode change: By rotating the head of star light, you can enjoy many projection modes,start light density and patterns. Bending Freely:The wire is very sturdy, it will stay bent to whatever angle you set it to point towards.Throws up quite a bit of nice effects wherever it is pointed,The further away from the target the wider the spread of stars. Easy to Use:USB star night light can be powered instantly by powered bank, car interior USB port, computer etc, just plug in a usb slot and done.Small size, easy to put in a pocket or bag, very convenient. Warranty and NOTE:USB star light,LOW power consumption, LOW heat generation,LONG life(lifespan > 50,000hours).We office 1 year warranty.PLS E-mail us if any question.NOTE:DON'T let the light shine directly into your EYES, so as not to hurt your eyes.