Quick and Easy Water Safety: Perfect if you want to quickly purify your water at home, school, or office. Use LYT when you almost trust the water source, but aren't quite sure. Features: Tap Water Enthusiast: If you are a tap water enthusiast, then LYT is for you. LYT will ensure your tap water is safe for drinking. It uses a low power UV-C LED to destroy's 99.9% e.coli in 3 minutes from your water Germ-free, Sustainable living / Healthy hydration / Bottle remains clean and stink-free Our tiny cap packs a healthy punch. An embedded UV-C LED kills waterborne bacteria and viruses by rupturing the proteins on the cell wall. In a matter of minutes, your tap water is free of germs and safe to drink Where to use LYT Cap - Everywhere where tap water or water fountains are available. At home, gym, school, airports, etc., LYT adds an extra layer of protection to all your hydration needs What's included in the Box - LYT bottle cap with built-in UV-C LED (BPA-free and Mercury-free) / Easy port-le