Come and see our amazing products. This LED cap is environment-friendly and non-toxic, so it is harmless for human, it has 2 modes of operation-rapid flash and steady on activated by a smal clickers inside the embroidering, which is easy to operate.This cool hat can decorate you and are suitable for many occasions, such as party events, nighttime illumination, sporting events, or just a regular hat during the day, the hats has no logos so that you can have your own theme design if you wish.Customized logo is available. Pls confirm further with us if any query about packing info, inventory status and time schedule.