1. Battery powered: need battery, easy to carry. Opens in the dark, closes during the day.2. Flexible: Bendable and flexible, easy to bend and shape, you can decorate empty bottles, potted plants or anything you like. And the rope light is waterproof, so it's safe if you want to put some water in the bottle (the cork is not waterproof).3.Easy to use: Easy to install to the top of different types of wine bottles, just slide it into the cap, the cork part goes straight in, no need to drill holes in the cap of the bottle. Each cork has an ON/OFF switch.4. Wide application: suitable for modern wedding, kids room, bathroom, dining table, party decoration, cafe, bar, display, birthday, festival, festival, anniversary, courtyard, camping and decoration.5. Gift giving: also a gift for children, lovers, family and friends