The Led Bottle Lights have 3 different settings ( Steady light, Rapid Blinking, Slow Blinking),Convert light mode by button press,Stick to the bottom of the wine bottle,it is so bright and made everyone’s bottles stand out.The Led stickers use 2xCR1660 battery,It is so bright and made everyone’s bottles stand out.More than 24 hours of battery life. Free Batteries included with your purchase.