CrazyCap is a replacement cap for cola-style bottles. It is compatible with popular brands like S’well, Mira, Aorin, etc., CrazyCap turns your cola-style water bottle into an antibacterial and antiviral water purification device, allowing you to drink safely from bio-contaminated water sources. CrazyCap is powered with LG 10mW UVC LED. Thanks to the recent advances in UVC technology, portable water purification has never been easier. UVC sterilization is done purely by light, leaving no toxic side effects. CrazyCap also has great battery life. It can last up to one month on just a single charge, making it an excellent travel companion and one of the best water bottle accessories ever made. The built-in auto-clean feature works six times a day for 20 seconds to keep your reusable water bottle clean, so you don’t have to.