Anvii Programmable Wireless Wheel Lights Standard Pack with 3 Light Bundle Wireless synchronization can display clear images at low speed with press of a button Tool-free engineered and patented design for easy and quick installation All LED can be seen from both sides saves 50% power consumption than traditional LEDs Runs on 3 AAA batteries which can reduce overall weights and still maintain burning time from 24 to 72 hours depends on colors 100% water proof