Water Purification, Mountop UV Portable Water Bottle, 750 ML Bottle. UV Cap with LED Display That Sterilizes Water in 90 Seconds. 90 SECONDS! Certified 99% bacteria/virus elimination in 90 seconds! Emergency Water source at press of a button Purification UV light Sterilizes into Clear Clean Pure Water 750 ML BPA Free Plastic, Rechargeable long life sterilizer