1. This item comes with USB charging port, using the car cigarette lighter to be the power supplies, could project the patterns you like to the
car inner top.
2. It could change the patterns freely, and it works for three minutes and after that it would auto power off.
3. This item has been certificated by RDW E4, it's the green product which has no noises and anti-elctronic jamming.
1 X Car Projection Light