Brand: Eco-Novelty, High quality submersible LED tea light,Styles: Battery Submersible LED, with On Off Switch * Each light size: Height: 1.00 inches, Diameter: 1.18 inches, Burn Time: about 24 hours. * Ready to use: They use 2 x CR2032 Batteries which are included and are already installed. These batteries are replaceable! * Reusable: waterproof and wireless and are thus perfect for lighting up vases, bowls, or any water filled containers. * LED lights are fun, safe and perfect when you need an alternative for candles in order to meet fire codes or to avoid the dangers of an open flame.